SERVICES

Certified Energy Testing & Building Performance Services in Southwest Colorado

Southwest Home Performance provides ICC‑certified, RESNET‑aligned energy testing for homeowners and builders across Durango, Bayfield, Pagosa Springs, Cortez, Mancos, and Silverton. Our testing helps ensure comfort, efficiency, and full IECC code compliance for new construction and existing homes.

A color-coded HERS index scale from red to green with categories for 'More Energy' at the red end and 'Less Energy' at the green end, showing a range from 150 to 0.

RESNET‑Certified Home Energy Rating System

A HERS Rating provides a standardized energy performance score for new or existing homes.

This rating is often required for:

What’s included:

  • Comprehensive energy modeling

  • Blower door & duct testing

  • Insulation verification

  • Mechanical system evaluation

  • Final HERS Index score

Cross-section of a house showing ventilation system: air leaks into the house through bathroom fan vent, electrical outlet, dryer vent, attic hatch, recessed hatches, and recessed lights; air leaks out through plumbing stack vent, attic hatch, chimney, kitchen fan vent, and crawl space vent; arrows indicate airflow paths.

Comprehensive Home Energy Audits

Identify Energy Loss, Improve Comfort, and Reduce Utility Costs

Our whole‑home energy audits combine diagnostic testing with building science expertise to pinpoint where your home is losing energy.

Audit includes:

  • Blower door test

  • Infrared thermal imaging

  • Insulation assessment

  • HVAC performance review

  • Ventilation and indoor air quality evaluation

  • Prioritized recommendations

Homeowner benefits:

  • Lower monthly energy bills

  • More consistent indoor temperatures

  • Improved comfort and air quality

  • Clear, actionable upgrade plan

A large circular device used for cleaning ducts is placed on a black speckled floor inside a room near a sliding glass door, connected to a red and black electrical device with green and red cables.

IECC Code Compliance Testing

Required Testing for New Construction (residential and commercial) in Southwest Colorado

We provide all required testing and documentation for IECC compliance, including:

  • Blower door testing

  • Duct leakage testing

  • Mechanical ventilation verification

  • Insulation and air‑sealing inspections

  • Alternative code compliance paths

  • Final compliance reports for inspectors

We work closely with builders to ensure projects pass the first time — saving time, money, and rework.