Sanders & Johnson
About Sanders & Johnson
Sanders & Johnson provides professional hvac services in Denver, CO. A local HVAC repair company with over 40 years of service, offering skilled and experienced technicians for a wide variety of HVAC system issues, backed by a 100% satisfaction guarantee. Our HVAC technicians service and repair all major brands including Carrier, Lennox, Trane, Rheem, and Goodman. We handle AC repair, furnace repair, heat pump service, ductwork installation, thermostat replacement, and complete system installations. Regular maintenance extends equipment life by 5-10 years and prevents expensive emergency breakdowns. We offer annual maintenance agreements that include priority scheduling, discounted repairs, and seasonal tune-ups. Serving Denver and the Front Range. Licensed Colorado contractor. Free estimates. We understand the unique high-altitude conditions including intense UV, temperature extremes, and periodic severe hail that affect Colorado homes.
3 years in business
Services
AC Repair
FeaturedDiagnose and repair cooling issues including compressor, capacitor, fan motor, and refrigerant leaks.
Starting at $150 / per repair
AC Tune-Up
FeaturedComplete AC maintenance including filter replacement, coil cleaning, refrigerant check, and thermostat calibration.
Starting at $100 / per visit
Duct Cleaning
Professional air duct cleaning for improved air quality. Includes supply, return, and dryer vent cleaning.
Starting at $250 / per home
Furnace Repair
Diagnose and repair heating system issues including igniter, blower motor, heat exchanger, and thermostat.
Starting at $150 / per repair
New System Installation
Full HVAC system replacement including air handler, condenser, ductwork inspection, and thermostat. Includes permits.
Starting at $4400 / per system
Location
Denver, CO
Denver, CO 80202
Typical Hvac Costs in Denver
$200–$800
Costs vary based on project scope, materials, and complexity. Get a free quote from Sanders & Johnson to compare pricing in Denver.
Hours of Operation
Services Offered
AC Repair
Diagnose and repair cooling issues including compressor, capacitor, fan motor, and refrigerant leaks.
$150
starting at
AC Tune-Up
Complete AC maintenance including filter replacement, coil cleaning, refrigerant check, and thermostat calibration.
$100
starting at
Duct Cleaning
Professional air duct cleaning for improved air quality. Includes supply, return, and dryer vent cleaning.
$250
starting at
Furnace Repair
Diagnose and repair heating system issues including igniter, blower motor, heat exchanger, and thermostat.
$150
starting at
New System Installation
Full HVAC system replacement including air handler, condenser, ductwork inspection, and thermostat. Includes permits.
$4,400
starting at
Reviews
4.4
10 reviews
10 reviews
Bill M.
Replacing an attic AC unit is not easy but their crew handled it like pros. New unit fits perfectly and the attic is sealed back up tight. Professional HVAC work. (Denver)
Response from Sanders & Johnson
Thank you for choosing us! We appreciate the feedback and look forward to serving you again.
Frank B.
Old ducts were leaking air everywhere. They replaced the entire system and our house cools evenly now. Noticed a significant drop in energy bills. Quality HVAC ductwork. (Denver)
Pete E.
Installed a UV light in our HVAC system and a better filter. Noticed less dust and allergies have improved. Knowledgeable HVAC tech who cared about air quality. (Denver)
Lisa H.
Used them for duct cleaning. Fair pricing and they stand behind their work with a warranty.
10 people found this helpful
Response from Sanders & Johnson
We appreciate you taking the time to review our hvac services in Denver. Your feedback means a lot to our team!
Michelle A.
Used Sanders & Johnson and was very satisfied with the hvac work. Responsive from the initial call through job completion. No surprises on the bill and the work quality was top notch.
8 people found this helpful
Response from Sanders & Johnson
Thanks for the great feedback! Serving Denver with reliable hvac service is what we do best. See you next time!
Frank B.
Old ducts were leaking air everywhere. They replaced the entire system and our house cools evenly now. Noticed a significant drop in energy bills. Quality HVAC ductwork. (Denver)
Response from Sanders & Johnson
We appreciate the review! Always looking to improve and your input helps.
Alex V.
Unit was not cooling properly. Tech found a refrigerant leak, repaired it, and recharged the system. Back to working perfectly. Reasonable pricing for HVAC service in the area. (Denver)
Response from Sanders & Johnson
Thank you for choosing us! We appreciate the feedback and look forward to serving you again.
Tony M.
Our AC died during a heat wave and they had a tech out within two hours. Diagnosed a bad capacitor, replaced it on the spot, and we had cold air again. Lifesaver HVAC service. (Denver)
Response from Sanders & Johnson
We really appreciate you taking the time to leave this review. Your satisfaction is our top priority!
Frank B.
Old ducts were leaking air everywhere. They replaced the entire system and our house cools evenly now. Noticed a significant drop in energy bills. Quality HVAC ductwork. (Denver)
Response from Sanders & Johnson
Thanks for choosing us! We will keep working to earn that fifth star.
Derek A.
Had all our ducts cleaned. Huge difference in air quality and the system seems to run more efficiently. Worth doing every few years. Good HVAC maintenance. (Denver)
Response from Sanders & Johnson
Thank you for choosing us! We appreciate the feedback and look forward to serving you again.
Service Area
Serves Denver and surrounding areas
Frequently Asked Questions
Last updated April 2026
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