Net Zero Home Construction in
Southwest Colorado
Build a home that produces as much energy as it uses. Our team designs and constructs zero energy ready homes across Pagosa Springs, Durango, and the San Juan Mountains.
The Future of High-Performance Living: Zero Energy Ready Homes
A Net Zero home produces as much energy as it consumes over the course of a year — achieving a true energy balance that eliminates utility bills and dramatically reduces your carbon footprint. It's not a concept from the future. We're building them right now in Southwest Colorado.
The foundation of every net zero home construction project is a high-performance building envelope. We combine advanced insulation, airtight construction, and high-performance glazing with renewable energy systems — primarily rooftop solar photovoltaic (PV) arrays — to reach that annual energy balance. In a region that sees over 300 days of sunshine, Southwest Colorado is one of the best places in the country to build zero energy ready homes.
For homeowners in Pagosa Springs and Durango, the benefits are immediate: drastically reduced utility bills, superior comfort during harsh mountain winters when temperatures plunge below zero, and a home built to perform for generations. As a leading sustainable builder in Archuleta and La Plata Counties, we've seen firsthand how Net Zero construction transforms the way people live in the mountains.
Energy Balance
Produces as much energy as it consumes annually — your utility meter runs backward.
Solar Integration
Rooftop PV systems sized to match your home's actual energy demand after efficiency measures.
Mountain Comfort
Superior insulation and airtight construction keep you warm through the coldest San Juan winters.
Local Expertise
Decades of building experience across Archuleta and La Plata Counties at elevation.
Our Net Zero Construction Standards & LEED Design
Every net zero home construction project we take on follows rigorous performance standards rooted in LEED design principles. LEED — Leadership in Energy and Environmental Design — provides a framework for environmental responsibility and resource efficiency that goes far beyond basic code compliance. We use it as a baseline, then push further with building science specific to our high-altitude climate.
Our advanced framing techniques eliminate thermal bridging — the weak points in conventional walls where heat escapes. Combined with airtight construction verified by blower-door testing, we create building envelopes that hold conditioned air where it belongs. The result is a home that needs a fraction of the energy to heat and cool compared to standard construction.
Material selection matters just as much. We specify low-VOC finishes and carbon-sequestering materials like mass timber and mineral wool insulation for healthier indoor air quality. Every home includes smart monitoring systems that track energy production versus consumption in real-time, giving you full visibility into your home's performance from day one.
LEED-Aligned Standards
Environmental responsibility and resource efficiency verified through third-party performance standards.
Airtight Construction
Advanced framing and blower-door verified sealing prevent thermal bridging and air leakage.
Healthy Materials
Low-VOC finishes and carbon-sequestering materials for superior indoor air quality.
Smart Monitoring
Real-time energy tracking so you always know exactly how your home is performing.
Ready to Build a Home That Pays for Itself?
Talk to our team about net zero home construction tailored to Southwest Colorado's climate and terrain.
From Rammed Earth to Modern Prefab
Net Zero isn't one-size-fits-all. We draw from a range of construction methods — from ancient building traditions to cutting-edge prefabrication — to match the right approach to your site, your budget, and your vision.
Rammed Earth Construction
Rammed earth homes use locally sourced soil compressed into dense, thermally massive walls. The high thermal mass naturally regulates indoor temperatures — absorbing heat during the day and releasing it slowly at night. In the Pagosa Springs area, rammed earth pairs beautifully with passive solar design for exceptional comfort with minimal mechanical systems.
High-Altitude Engineering
Building Net Zero at 7,000+ feet requires adapting every system to the specific demands of mountain terrain. We engineer for heavy snow loads, intense UV exposure, and the unique solar angles of our latitude. Homes in Durango and Pagosa Springs need mechanical systems rated for altitude, roof structures designed for 100+ PSF snow loads, and insulation strategies that account for extreme temperature swings.
Passive Solar Optimization
Before we install a single solar panel, we maximize what the sun gives us for free. Site-specific engineering determines optimal building orientation, window placement, and thermal mass positioning to capture passive solar gain. In Southwest Colorado's climate, a well-oriented home can meet 30–50% of its heating needs through passive solar alone — the foundation of every Net Zero home we build.
Advanced Prefabrication
Modern prefab panels deliver factory-precision insulation and airtightness that's difficult to achieve with stick-built methods alone. We use prefabricated wall and roof assemblies where they make sense — reducing construction waste, improving quality control, and shortening the build timeline in our short mountain building season.
Battery Storage Systems
Grid independence matters in rural Southwest Colorado, where winter storms can knock out power for days. We integrate battery storage with every solar array, providing backup power and the ability to store excess daytime production for overnight use. Combined with a Net Zero envelope, battery systems keep your home comfortable through extended outages.
Energy Recovery Ventilation
Airtight construction demands controlled ventilation. Our ERV and HRV systems recover up to 90% of the heat from exhaust air, maintaining fresh indoor air quality without the energy penalty. This is critical in our climate, where opening windows isn't an option for much of the year. It's how Passive House principles and Net Zero work together.
Sustainable Building Expertise
Net Zero construction is part of our broader sustainable building practice. Whether you're starting from scratch or improving an existing home, we have the expertise to help.
Passive House Design
Ultra-efficient building envelopes that reduce heating and cooling demand by up to 90%. The perfect foundation for Net Zero performance.
Energy-Efficient Retrofitting
Already own a home in the area? We retrofit existing homes with high-performance insulation, windows, and renewable energy systems.
Mountain Home Construction
Custom homes engineered for Southwest Colorado's terrain, altitude, and climate — from foundation to ridge beam.
Net Zero & Sustainable Building Portfolio
See our completed zero energy ready homes and sustainable building projects across Pagosa Springs, Durango, and the San Juan region.
Our Recent Work
Small Residential Home Before Major Renovations
Modern Interior Design with Custom Staircase
Small Residential Home Before Major Renovations
Modern Blue Exterior Home Renovation Project
Modern Rustic Kitchen with Custom Island
Modern Rustic Kitchen with Custom Island
Modern Bathroom Renovation with Subway Tile
Custom Curved Glass Block Shower Wall
Custom Dark Wood Walk-In Closet Design
What Our Clients Say
Hear from homeowners who chose Positive Design Build for their sustainable construction projects in Southwest Colorado.
What Our Customers Say
"Louis Garday, Sr Pagosa Springs, CO 81147 Re: Positive Design - Mark Positiviata December 23, 2025 What I immediately learned when we first started renovating my 4,000 sf log home was that above and beyond everything else, MARK IS A CRAFTSMAN AND PROFESSIONAL in the truest meaning of those words. His work for the planned 10 months was all completed in several diverse areas, on time, on budget, adding a professional flair whenever possible, such that I can easily claim that his skill and craftsman like work on every aspect of the engagement, including concrete and tile work, fine detailed carpentry, building a new 30’ by 20’ TREX deck, electrical work, safety grab bars and plumbing, repairs of metal roof, painting and drywall, landscaping, and a complete home Code evaluation and corrective action. His professional work easily yielded an increase of my home's value at double what I spent on the project. That ROI clearly will show up if/when I sell the house in 2026 or beyond. In a highly confident and in an unqualified manner I strongly recommend Positive Design and Mark to anyone needing all manner of home construction from a true professional and frankly a nice guy. Louis J Garday Sr. More Background information: Sometimes you get lucky. I was introduced to Mark at a dinner in late 2024 and the conversation turned to the details of the multi-faceted work I needed need to renovate and upgrade my 4,000 sf home on ten acres preparatory to selling it in the Spring of 2026 (my best estimate at the time for the optimum timing to sell based on the political/economic chaos brought on by Fed, the then current administration and pending tax law changes during the four years ending in January 2025). I have a lifetime and some 50 years' experience in the construction and real property development businesses, know the trades and have built or developed multiple commercial properties and was impressed with his knowledge during our dinner. The following Monday I received a call from Mark asking if he could walk my property with me and organize my thoughts on what I characterized as extensive work. What followed was a long and detailed survey he compiled of what was needed to remodel and reposition a 30-year-old valuable and custom log home and natural 10-acre landscape of some 200 Ponderosa Pine Trees, surrounded by the San Juan National Forest. Mark made extensive notes and revisited me a few days later, with a detailed proposal, cost estimates, a few new ideas to maximize what I had in place, a time and materials schedule, work timing and scheduling (what us old time real estate guys call a PERT Chart). This being a new relationship and having just met Mark, I agreed to bite off the first phase immediately and Mark began the (bring it up to Code phase) the following Monday in December 2024. Work began immediately and he moved his equipment into my carport and began working. I need not have worried about Mark and the process. He did a great job from Day through the completion. Louis J Garday Sr. Pagosa Springs, CO 81147"
Louis
2025-12-23
"Mark remolded our home when we bought it to perfection!!! He built a corner fireplace; a new kitchen with built in cabinet with glass doors and lights for displays. We have the most amazing master bath as he built a round shower stall, walkin with 5 shower heads, a seat and all done in glass bricks. The window is all glass bricks to let the light in with an open small window at the top to let steam out and fresh air in if wanted. A beautiful tile inlaid floor rhat is heated as wanted that he designed. Many people have come to look at it and he built several more!! He comes to fix anything or make something better when ever he is needed. He builds remarkable original things which he designs to fit the space and to last for ever! He is an artist and a very talented guy!!! I would not have anyone else do the kind of work Mark does!! Leslie Hawkinson"
Leslie
2025-12-12
"Mark of Positive Design Build did a total remodel on a rental property I own. The property was rented for over 13 yrs to the former tenant and it was sorely in need of repairs & overall updating. He did a fabulous job & it looked like a new home!! All new kitchen, new wiring, a lot of new plumbing, new bathroom tub surround, new vanity & lighting , all new paint, floors refinished & new door locks & some new doors for closets & exterior doors. I was very pleased with his hard work & the finished project."
Kelly
2025-12-16
"Mark did a great job!!! He brought creativity and imagination to a job , where I did not see the possibilities. His experience added great skill and forethought in to designing my mudroom and bathroom. I highly recommend Mark Posiviata for whatever you need to do...."
Bill
2025-12-28
"4.5 stars - Mark Posiviata at Positive Design Build LLC did a beautiful job designing and building my laundry/mudroom. The cabinets, bench, and countertop are absolutely stunning, and the craftsmanship is truly top-notch. The quality of work and attention to detail really show — the space is both functional and gorgeous. Design-wise, Mark was excellent to work with. He listened carefully, offered great ideas/suggestions, and delivered a final result that exceeded my expectations. I’m thrilled with how the room turned out and receive compliments on it all the time. The only area for slight improvement would be communication and coordination with contractors during the process, which could have been smoother at times. That said, the end result was well worth it. I would absolutely recommend Mark and Positive Design Build LLC for anyone looking for high-quality custom work and thoughtful design."
Jules
2025-12-05
Net Zero Home Construction FAQ
Answers to the questions we hear most from homeowners considering net zero home construction in Southwest Colorado.
Frequently Asked Questions
What is a Net Zero home?
A Net Zero home produces as much energy as it consumes over the course of a year, achieving a net-zero energy balance. This is accomplished by combining a high-performance building envelope — superior insulation, airtight construction, and advanced windows — with renewable energy systems like rooftop solar PV. The approach is efficiency-first: we minimize your home's energy demand through smart design, then generate the remaining energy on-site. In Southwest Colorado, where we get over 300 days of sunshine, solar production makes Net Zero highly achievable even at high altitude.
How much does Net Zero home construction cost in Colorado?
Net Zero home construction in Colorado typically runs 10–15% more than a comparable conventional build. For a custom home in the Pagosa Springs or Durango area, that premium covers advanced insulation systems, high-performance windows, airtight construction, and a properly sized solar array. The long-term ROI is substantial — most homeowners see their energy costs drop to near zero, and the federal Investment Tax Credit (ITC) offsets a significant portion of solar system costs. Many of our clients break even on the upfront premium within 7–10 years through energy savings alone.
Are Net Zero homes worth it in high-altitude climates?
Absolutely — high-altitude climates like Southwest Colorado are actually ideal for Net Zero construction. The superior insulation and airtight building envelope that define a Net Zero home provide exceptional comfort during harsh mountain winters, when temperatures in Pagosa Springs can dip well below zero. These homes also offer resilience against power outages through battery storage and reduced grid dependence. From a financial standpoint, Net Zero homes command higher resale values in our market, where buyers increasingly prioritize energy efficiency and sustainability.
What is the difference between Net Zero and Passive House?
Passive House (Passivhaus) focuses primarily on the building envelope — extreme insulation, airtightness, and heat recovery ventilation — to reduce heating and cooling demand by up to 90%. Net Zero focuses on achieving an annual energy balance, where the home produces as much energy as it consumes through renewable generation like solar PV. In practice, the two standards complement each other beautifully. We often apply <a href='/services/sustainable-building/passive-house-design' class='text-primary underline'>Passive House design principles</a> to minimize energy demand first, then add solar to reach full Net Zero performance.
Can I build a Net Zero home on a sloped mountain lot?
Yes, and we do it regularly in the San Juan Mountains around Pagosa Springs and Durango. Sloped lots require careful geotechnical analysis and site-specific engineering, but they can actually work to your advantage. A south-facing slope provides excellent solar orientation for both passive solar gain and rooftop PV production. We conduct detailed site assessments to optimize foundation design, manage snow loads and drainage, and orient the home for maximum energy performance — even on challenging mountain terrain.
What kind of maintenance do Net Zero homes require?
Net Zero homes require surprisingly little maintenance beyond what any well-built home needs. Solar panels should be cleaned two to three times a year — more often if you're in a high-pollen area or after heavy snow. Your ERV or HRV (energy recovery ventilator) filters need replacement every six to twelve months. We also install smart monitoring systems in every Net Zero home we build, which track energy production and consumption in real-time and alert you to any performance changes. These systems run periodic software updates automatically.
How long does it take to build a Net Zero home?
A typical Net Zero home construction project in Southwest Colorado takes 12–18 months from design through completion. The design phase tends to be more involved than conventional construction because we're running energy modeling, optimizing building orientation, and specifying high-performance systems. Sourcing specialized materials — triple-pane windows, advanced insulation systems, and solar components — can also add lead time. We plan procurement early to keep the construction timeline on track. The result is a home that performs at the highest level for decades to come.
Are there tax credits for Net Zero homes in Archuleta County?
Yes, there are several financial incentives available for Net Zero construction in Archuleta County and throughout Colorado. The federal Investment Tax Credit (ITC) covers a significant percentage of your solar energy system costs. Colorado offers additional state-level green building incentives, and local utilities like La Plata Electric Association provide rebates for energy-efficient construction and renewable energy installations. We help our clients navigate all available incentives during the planning phase to maximize their return on investment.
Still have questions?
We're here to help you find the answers.
Build the Last Home You'll Ever Need
A Net Zero home in Southwest Colorado means zero energy bills, superior comfort, and a smaller footprint. Let's talk about your project.
Serving Southwest Colorado
We build net zero homes throughout Pagosa Springs, Durango, Bayfield, Arboles, and across Archuleta and La Plata Counties.
Visit Our Pagosa Springs Shop
Conveniently located for Pagosa Springs customers
Hours
Monday - Friday: 9am - 6pm
Saturday: 9am - 5pm
Sunday: Closed