Modern outdoor air-conditioning condenser beside a mid-century Peninsula home on a tree-lined San Mateo street, with the coastal foothills and morning fog behind.

Furnace Repair

Professional furnace repair services to restore your home heating quickly and safely.

Same-Day Service Available
All Major Brands
Upfront Pricing
Local Experts

Furnace Repair, answered

Quick, straight answers before you book furnace repair.

Should I call a technician for furnace repair?

Yes, if you notice any of these: Furnace produces no heat or insufficient heat; You smell gas or detect a burning odor; Furnace cycles on and off frequently. Professional furnace repair services to restore your home heating quickly and safely.

What are the most common furnace problems?

The furnace issues we see most often are furnace not heating, strange noises, and short cycling. A proper diagnostic checks the electrical components, airflow, and — where applicable — the refrigerant charge before any repair, and you get an upfront quote once we find the cause.

How soon can you come out, and do you handle emergencies?

We offer same-day furnace service for most calls and 24/7 emergency service for urgent heating and cooling situations. San Mateo HVAC Masters serves San Mateo and the wider Bay Area within roughly 80 miles.

How much does furnace repair cost?

Cost depends on the specific issue and the parts involved, so we provide an upfront quote after diagnosis — you approve the price before any work begins. Call (650) 880-6021 to schedule and describe your furnace problem.

Need furnace help now?

Call (650) 880-6021

About Furnace Repair

Our technicians diagnose and repair all types of furnaces including gas, electric, and oil systems. We address issues from minor component failures to major repairs, always following manufacturer-spec procedures and using OEM parts when available.

When to Call for Service

  • -Furnace produces no heat or insufficient heat
  • -You smell gas or detect a burning odor
  • -Furnace cycles on and off frequently
  • -Strange noises occur during operation
  • -Energy bills spike unexpectedly

Need Furnace?

Same-day service available for most calls.

Call (650) 880-6021Book Online

Common Furnace Issues

Know the signs that indicate your furnace repair may need professional attention.

Furnace not heating

Prompt Service Needed

Symptoms to watch for:

  • Cold air from vents
  • Thermostat not triggering heat
  • Pilot light issues

Strange noises

Schedule Service

Symptoms to watch for:

  • Banging or popping sounds
  • Squealing or screeching
  • Rattling during operation

Short cycling

Schedule Service

Symptoms to watch for:

  • Furnace turns on and off frequently
  • Inconsistent temperatures
  • Higher energy bills

Yellow pilot light

Emergency

Symptoms to watch for:

  • Pilot flame is yellow instead of blue
  • Gas smell near furnace
  • Soot buildup

Not sure if you need service?

If you are unsure about a symptom, give us a call. We are happy to discuss what you are experiencing and help determine if service is needed.

Furnace Maintenance Tips

Simple steps to help maintain your heating between professional service visits.

  • Replace air filters monthly during heavy use seasons
  • Keep the area around your furnace clear of debris and storage
  • Listen for unusual sounds and note any changes in performance
  • Schedule professional maintenance before heating season

While these tips help maintain your system between service visits, they do not replace professional maintenance. Annual professional service is recommended for optimal performance.

Why Choose Us

When you need HVAC service, you want a team you can trust. Here is what sets us apart.

Same-Day Service

We prioritize your comfort with fast response times and same-day service for most calls.

Expert Technicians

Our team is trained on all major HVAC brands and follows manufacturer-spec procedures.

Upfront Pricing

No surprises. We provide clear quotes before work begins so you can make informed decisions.

Quality Parts

We use OEM parts when available to ensure reliable repairs and maintain equipment warranties.

Local Knowledge

We understand Bay Area homes and climate conditions that affect your HVAC system.

Customer Focused

Your satisfaction is our priority. We stand behind our work with service guarantees.

Furnace Repair Questions

Common signs include: Furnace produces no heat or insufficient heat; You smell gas or detect a burning odor; Furnace cycles on and off frequently. If you notice any of these, contact us for an assessment.

Ready for Furnace Repair?

Our expert technicians are standing by to help.