Is it safe to keep resetting a furnace that will not start?

No. One check of normal thermostat settings may be reasonable, but repeated resets can conceal a recurring ignition, electrical, airflow or safety condition. Do not bypass safeties or continue resetting a tripping breaker or locked-out furnace.

What information should I give dispatch?

Share the service address, furnace make and fuel type, thermostat behavior, exact error or blink code, unusual sound or odor, when heat last worked and whether anyone is at risk from indoor cold.

Does a furnace lockout always mean a major repair?

No. A lockout describes the furnace’s protective state, not the repair price. Diagnosis is needed to distinguish a control, ignition, airflow, venting, condensate, fuel or component condition.

Can Home+ guarantee a first-visit furnace repair?

No. Completion depends on the diagnosis, required part, inventory, equipment condition, access, safety and authorized scope. The technician provides a written option and explains the next step if a part is unavailable.

Furnace call intake available 24/7

Furnace Won't Start? Report the Symptoms Before Resetting

A blank thermostat, lockout code, failed ignition sequence or silent blower can point to different causes. Call with the furnace make, error code and what happens during one normal start attempt; dispatch confirms the current response option.

Call (516) 259-1191 Emergency service guide

24/7 call intakeCurrent ETA confirmed by dispatchWritten option before approved work

Call the right emergency service first

An HVAC appointment does not replace 911, the fire department, the gas utility or medical care.

Gas odor or suspected leak

Leave immediately without operating switches or phones inside. From outside, call 911 or National Grid at 1-800-490-0045.

National Grid gas guidance

CO alarm or possible exposure

Move everyone and pets into fresh air, call 911 from outside, and do not re-enter until emergency responders say it is safe.

CDC carbon-monoxide guidance

Fire, smoke or active sparking

Leave the area and call 911. Do not wait for an HVAC appointment or try repeated resets.

Dangerous indoor cold

Move vulnerable occupants to a safely heated location and seek medical help for possible hypothermia. Treat the HVAC ETA separately from the safety plan.

CDC hypothermia guidance

Report what you observe

What a furnace that will not start may look like

Do not open sealed panels, bypass safeties or repeatedly reset a breaker or locked-out system.

Nothing happens at the thermostat

The display may be blank or the furnace may receive no call for heat because of a battery, power, transformer, wiring or control issue.

The furnace clicks but does not ignite

The startup sequence may stop at the inducer, pressure switch, igniter, gas valve or flame-sensing stage.

Burners light and shut off

A flame-sensing, airflow, venting, overheating or control condition may end the heating cycle early.

A diagnostic light shows a code

Record the exact blink pattern or display code without opening a sealed panel. The code narrows the diagnostic path but does not replace testing.

The breaker or fuse trips again

Do not keep resetting it. Recurring electrical protection trips require diagnosis before another operating attempt.

The furnace is locked out

A safety lockout may follow repeated ignition failure or another monitored condition. Do not bypass the lockout or safety circuit.

What to expect

From the phone call to a written repair option

Step 1

Describe the request

Share the address, equipment, fuel type, indoor conditions, error codes and any responder findings.

Step 2

Confirm current availability

Dispatch checks service-area fit, equipment capability, demand, weather and the current appointment window.

Step 3

Diagnose before repair

The technician evaluates the reported system and identifies the condition before recommending additional work.

Step 4

Approve a written option

Review the proposed scope and price before authorizing work. Parts and first-visit completion are not guaranteed.

Current residential diagnostic

$199

Furnace startup diagnostic

The technician evaluates the observed startup sequence and relevant power, control, ignition, airflow, venting and safety conditions to identify the actual failure.

The diagnostic is credited toward an approved repair. Dispatch confirms appointment-specific and after-hours terms. Diagnosis, parts, access, equipment condition and authorized scope determine the written repair price.

Confirm current availability

Current customer proof

Read verified Google feedback

(74)

Home+ currently displays a 5.0 Google rating from 74 reviews. Use the verified profile for the current review text and dates.

Open Google reviews

Use temporary heat carefully

Never use an oven, charcoal grill or generator to heat indoor space. Move vulnerable occupants to a safely heated location when indoor cold becomes dangerous.

Keep portable heaters at least three feet from bedding, curtains, furniture and other combustibles.
Plug an electric space heater directly into a wall outlet—not an extension cord or power strip.
Turn portable heaters off before sleeping or leaving the room.

CPSC winter-heating safety