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Furnace Services | Marin & Sonoma

Licensed & InsuredProfessionals
Quality WorkGuaranteed
Local ExpertsSince 1986
Fast & ReliableService

Local Furnace Work, Not Generic HVAC Advice

A Santa Rosa furnace in a newer subdivision, a Mill Valley home with tight access, a Petaluma older home, and a San Rafael or Tiburon house with duct issues do not all need the same answer. Our recommendations are based on the home, the equipment, safety, comfort, and cost over time.

Furnace Service We Handle

  • Furnace troubleshooting for no heat, weak heat, short cycling, and uneven rooms
  • Gas furnace repair, safety checks, ignition issues, blower problems, and control failures
  • Furnace maintenance, filter changes, flame and venting checks, and seasonal tune-ups
  • Furnace installation and replacement when repair no longer makes sense
  • Duct and airflow problems that make a good furnace feel weak
  • Heating options for older Marin and Sonoma homes, including heat pump conversations when electrification makes sense
  • Short cycling, overheating, lockouts, and error codes
  • Ignition, pilot, flame sensor, gas valve, and burner problems
  • Blower motors, capacitors, limit switches, pressure switches, control boards, thermostats, and wiring
  • Rattling, banging, scraping, burning smells, or unusual furnace noise
  • Carbon monoxide and venting concerns that need immediate attention
  • Old, unsafe, or unreliable equipment whose repair costs keep stacking up

Frequently Asked Questions

Do you repair furnaces before recommending replacement?

Yes. Repair-first is the normal path unless the furnace is unsafe, badly worn, or the repair cost does not make sense.

Do you service furnaces in both Marin and Sonoma?

Yes. John Owens Services works throughout Marin and Sonoma County, including Novato, Mill Valley, San Rafael, Tiburon, Petaluma, Santa Rosa, and nearby communities.

Can you help me decide between a furnace and a heat pump?

Yes. If electrification, rebates, comfort, or cooling are part of the conversation, we can compare furnace replacement with heat pump options instead of forcing one answer.

Should I shut the furnace off if I smell gas or burning?

If you smell gas, leave the home and call the gas utility or emergency services first. If there is an electrical or burning smell, shut the system off and call for service.

How long does furnace installation take?

Many straight replacements can be completed in a day, but duct changes, access problems, venting corrections, or electrical and control updates can add time.

Will you check the ductwork too?

Yes. Duct problems can make a new furnace feel like an old one. Airflow and return air are part of a responsible replacement conversation.

Proudly Serving Marin & Sonoma

From the Marin coast to Sonoma wine country, we bring honest plumbing, heating & cooling to homeowners across both counties — based locally since 1986.

Ready to Get Started?

Schedule service with our trusted local team today.

Serving Marin & Sonoma Counties

Good plumbing, heating, and air conditioning systems are vital in every North California home. John Owens Services, Inc. is proud to be the expert plumbing company you can count on