HVAC Contractor #CN210894 | (770) 403-3739
Furnace and ductwork installation by Conserve Heating & Cooling
★★★★★ 5.0 on Google Licensed & NATE-Certified

Heating System Repair in Grayson & Gwinnett County, GA

Whole-system heating repair across every source — gas and electric furnaces, heat pumps, dual-fuel, and multi-zone setups. Same-day diagnostics, upfront pricing, and the right fix for what's actually wrong.

  • Same-day appointments
  • Gas, electric & heat pumps
  • Multi-zone & dual-fuel systems

Open 7 days a week, 8 AM–9 PM • Same-day service available

Book Heating Repair

Same-Day Service

★★★★★ 5.0 Google EPA CertifiedNATE CertifiedLicensed & Insured

What We Fix

Common heating system problems

From single-source furnaces to dual-fuel heat pumps and multi-zone setups — if any part of your heating isn't working right, we'll diagnose the actual cause.

No heat anywhere

Whole-system shutdown — usually a control board, gas supply, thermostat, or safety lockout. We diagnose fast.

Uneven heat by room

Hot upstairs, cold downstairs. Usually a zoning issue, duct problem, or undersized system. We find the cause.

Heat pump auxiliary issues

Aux heat strips stuck on, defrost cycle problems, or reversing valve faults. Heat pump systems need a specialist.

High bills, normal use

Aux heat stuck on, leaky ducts, failing efficiency — system runs but costs are climbing. We diagnose where the waste is.

Multi-zone problems

Zone dampers stuck, panel issues, or zones fighting each other. We service the whole zone-control system, not just symptoms.

Constant on/off cycling

Short-cycling wastes energy and wears components. Could be thermostat placement, oversized system, or a sensor fault.

What Happens Next

Getting heat back is simple

No phone tag, no surprises — just a clear path from call to comfort.

1

Call or book online

Reach a local team in about 30 seconds and lock in a same-day or next-day visit.

2

Whole-system diagnosis

A NATE-certified tech inspects every part of your heating — source, distribution, controls — and finds the real cause.

3

Upfront written quote

You approve a clear, fixed price before any work starts. The number never changes.

4

Heat restored

We complete the repair, test it across the whole system, clean up, and back the work with a written warranty.

Heating Repair Questions

Heating system repair FAQ

How is this different from furnace repair?

Furnace repair is just the furnace itself. Heating system repair covers the whole picture — heat source (furnace, heat pump, electric), distribution (ductwork, zoning), and controls. If you're not sure what's wrong, this is the better starting point.

Can you come out today?

Yes — same-day, 7 days a week. If your heat is completely out, tell us when you call and we'll prioritize getting to you fast.

How much does heating system repair cost?

It depends on what's actually wrong. A bad thermostat or stuck damper is a minor repair; a blower motor or control board is more involved. We diagnose first, then give you a clear written price before any work begins.

Do you service heat pumps and dual-fuel systems?

Yes. We service single-stage and multi-stage heat pumps, dual-fuel systems (heat pump + gas furnace backup), and electric-resistance heat. These systems have unique components — reversing valves, defrost boards, aux strips — and we know them well.

Should I repair or replace my system?

If your system is over 15 years old, has multiple aging components, or the repair cost approaches 30–40% of replacement, replacement is often the smarter long-term call. We'll give you the honest math — not a sales pitch.

Still have a question about your heating system?

(770) 403-3739