What changes the cost of furnace replacement?
Equipment fit, venting, airflow, controls, and connected electrical work shape the personalized flat-rate quote.
Start with the decision in front of you.
Personalized quote calculator
Build a quote profile around urgency, affordability, financing, and written-bid comparison.
Explore →02Furnace replacement
Compare replacement options, scope, timeline, and the electrical work around them.
Explore →03Repair or replace HVAC
Balance age, reliability, comfort, operating cost, and repair severity.
Explore →What the replacement scope includes
Equipment capacity and efficiency, venting, indoor equipment, controls, filtration, duct transitions, electrical, permits, and startup all affect installed cost.
- ✓Equipment size and efficiency
- ✓Venting and fuel scope
- ✓Duct and airflow corrections
- ✓Electrical, controls, and startup
Know the scope before the work starts
OneLine uses flat-rate quoting so the work, assumptions, and included items are visible before the job begins. The price we quote is the price you pay.
- ✓Written scope before work
- ✓Permit and inspection requirements identified
- ✓Connected electrical, plumbing, or HVAC work considered
- ✓No hourly surprise at the end
Tell us what is going on at your place.
Share the basics and we’ll route the request to the right service line. We'll text you ASAP to continue the conversation, then a One Line specialist will reach out as soon as possible.
- ✓Flat-rate scope before work
- ✓Electrical, HVAC, and water-heater team
- ✓Denver metro service area