Closet furnace during service
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Boost Services Heating and CoolingHeating

Furnace and heat-pump service

Repair, replacement and seasonal tune-ups for gas furnaces and electric heat pumps.

Heating here sits idle for most of the year and then gets asked to work on the first cold night. That is when the failures show up: a furnace that will not light, a heater blowing cold air, or a smell nobody remembers from last winter.

We repair, maintain and install gas furnaces, electric furnaces, heat pumps, and wall and floor furnaces. A visit starts with finding the fault and putting the price in writing.

Heating calls split into two kinds. Gas furnaces, wall furnaces and floor furnaces, where the first job is confirming the combustion side is safe. And heat pumps, which heat by moving warmth from the outdoor air and have their own set of normal noises and behaviors that worry people for no reason.

How it works

How a gas furnace heats the house

Room air comes back through the filter, the blower pushes it across a heat exchanger the burners have warmed, and it goes out through the supply ducts to the registers. The combustion gases never mix with it: they leave through the vent. Almost every furnace fault is one of those five stages failing.

How a gas furnace heats the house Room air returns through the filter to the blower, passes over the heat exchanger that the burners warm, and goes back out through the supply ducts to the registers. Combustion gases leave separately through the vent. Return air filter Blower pushes the air Heat exchanger burners warm it from below gas valve exhaust out the vent Supply ducts registers cool return air warm supply air gas combustion gases, kept separate
Heating services

Everything we do on the heating side

Sound familiar?

Why people call us for heating

  • No heat or intermittent heat
  • Pilot or ignition problems
  • Burning smell or unusual noise
  • Uneven rooms
  • Short-cycling
Floors covered with drop cloths before a furnace job
What the visit includes

$69 diagnostic, credited toward the work

  1. Combustion and safety inspection
  2. Ignition and burner service
  3. Heat exchanger check
  4. Filter and airflow check
  5. Written repair or replacement options
Schedule service
What to expect

How a heating visit goes

An owner answers the phone, 6am to 10pm, seven days, and we usually get to you within a few hours. Tell us what the system is doing and where it is. If it is not safe to run, we say so before anyone drives out.

On a gas furnace the safety side comes first: the heat exchanger, the vent and the gas connections. Then the fault-finding runs in the order the furnace fires: ignition, flame sensing, the blower and its capacitor, the limit switches, the control board and the thermostat wiring, until the cause is found.

Before any work starts you see a written price. Go ahead and the $69 diagnostic is credited toward it. Our labor carries a one-year warranty on top of the manufacturer's. The system runs a full heating cycle before the technician leaves.

Brands we service

We repair, maintain and install these brands. Logos identify the equipment we work on and do not imply endorsement by the manufacturer.

Good to know

Before you call

  • The signs that mean shut it off and call

    A carbon monoxide alarm (leave the house, then call), a rotten-egg gas smell (leave, and call the gas company from outside), yellow or lifting burner flames instead of steady blue, soot or scorch marks on the cabinet or the vent, or smoke and a strong electrical burning smell. None of those waits until morning. Read more

  • Three checks before you call

    The thermostat: set to Heat, a few degrees above the room, fresh batteries, then give it five minutes. The furnace switch and the breaker: the switch next to the furnace gets flipped by painters and people storing boxes; reset a tripped breaker once, and stop if it trips again. The blower door: if it was left loose after a filter change, nothing runs. Read more

  • Cold air from the vents is usually the fan setting

    With the thermostat fan set to On, the blower runs between heating cycles and the air feels cold. Set it to Auto and wait five minutes. If it keeps blowing cold with the burner silent, that is a furnace fault. Read more

  • Electric furnaces fail differently

    No burner and no flue: air passes over resistance elements, and a sequencer switches them on in stages so they do not all draw at once. Blower running but cold air points at an open element, a failed sequencer, or the high-limit switch holding the elements off because a clogged filter has choked the airflow. Read more

FAQ

Common questions

That is dust burning off the heat exchanger after months of sitting, and it should fade within a few hours. An electrical or melting-plastic smell is not normal: shut the system off. If you smell gas, leave the house and call the gas company from outside. Read more

Get in touch

Schedule service

Fill in the form or call. We are on the phones 6am–10pm.

818-277-5056

Licensed #1119892 · Veteran-owned · Pasadena & Reseda

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