BOSCH Certified · BBB A+ · CSLB #1030917

AC out in 115° heat.
Furnace down in winter.
We Dispatch today.

In California’s extreme climate, an HVAC failure is not a comfort problem — it’s a health and safety emergency. Grandmark dispatches licensed technicians from 5 California offices. We bring common parts on every truck. Most failures resolved same visit. Same-day financing available.

BOSCH Certified Licensed & Insured CSLB #1030917 0% Financing

An emergency repair can’t wait for your budget.

Every hour a failed HVAC system sits unrepaired in California’s heat, the situation gets worse — for your household and for your equipment. $0 down financing with same-day approval means the repair starts when it needs to — not when the budget allows.

$0 down · 0% interest · 18 months

Available on all emergency HVAC repairs. Same-day approval — no hard credit pull to check eligibility. No early payoff penalty.

Every emergency HVAC situation we respond to across California

AC failures, heating emergencies, and water damage from HVAC systems all require immediate attention — but each situation is different and each one gets worse with every hour it goes unaddressed.

Complete AC system failure — no cooling

System runs but produces no cool air, or won’t turn on at all. Most common causes: failed capacitor, failed contactor, compressor failure, or complete refrigerant loss.

AC running constantly — home won’t cool down

System runs all day but can’t reach the set temperature — common in Fresno and Bakersfield when temps exceed 110°F. Causes include low refrigerant, dirty condenser coil, or an undersized system pushed past its capacity.

Ice forming on the AC unit

Ice on the evaporator coil or refrigerant lines signals low refrigerant or restricted airflow. Turn the system off immediately — running a frozen system damages the compressor rapidly.

AC tripping the circuit breaker repeatedly

A system that trips the breaker when it tries to start has an electrical fault — usually a failed capacitor, a failing compressor drawing excess amperage, or a wiring issue. Do not keep resetting the breaker. Each reset attempt with an electrical fault risks damaging the compressor further.

Furnace not producing heat

Furnace failures include igniter failure, gas valve issues, flame sensor fouling, and heat exchanger cracks. Carbon monoxide safety is assessed on every furnace emergency call.

Carbon monoxide concern — furnace

If your CO detector has alarmed or you smell gas near your furnace — leave the building immediately and call 911 first. Once the building is cleared, call Grandmark. A cracked heat exchanger in a gas furnace is a life-safety issue. We assess every furnace emergency call for CO risk as standard procedure.

Unusual noises — grinding, banging, squealing

Mechanical noises from an HVAC system are not something to ignore and monitor. Grinding is bearing failure. Banging is a loose component or failed part inside the system. Squealing is a belt or motor bearing.

Water leaking from HVAC system

Water pooling under your air handler or dripping from ducts means the condensate drain system has failed. Water accumulation inside an air handler creates mold growth conditions within 24–48 hours in California’s climate. It also activates safety shutoffs that cut cooling entirely. 

What happens when an HVAC emergency goes unaddressed in California’s heat

1-6 HOURS

Indoor temperatures climb to 85–95°F within the first few hours of AC failure in California’s heat. Manageable for most healthy adults initially but heat stress risk increases significantly for elderly residents, young children, pets, and anyone with cardiovascular or respiratory conditions. By hour 6, the situation has moved from uncomfortable to dangerous.

6-24 hOURS

A failed capacitor or low refrigerant situation — if the system is still attempting to run — causes progressive compressor damage during this window. A $300 capacitor repair becomes a $2,500 compressor replacement if the system continues to struggle through multiple start attempts.

24-48 HOURS

For water-related failures, mold growth conditions develop within 24–48 hours in California’s climate. For complete system failures, continued operation in extreme heat accelerates damage to other system components beyond the original failure point.

1 week

A delayed repair that progressed to compressor failure now requires a full system replacement — at emergency pricing, with 1–2 week equipment lead times in peak season. What started as a $300–$800 repair is now a $6,000–$12,000 replacement on an emergency timeline.

We Fix the Problem. Or You Don’t Pay. That’s Not Marketing — That’s Our Policy.

Missing, cracked, curling, or wind-lifted shingles. Improper installation. Storm damage. We match your existing shingles and restore the weatherproof seal.

Our Leak Free Guarantee – Zero Risk

Here’s what most California homeowners experience before calling us:

We Show You Exactly What’s Wrong — On Video — Before We Touch Your Roof

No guesswork. No mystery invoices. No surprise “we found something else.

Grandmark did an amazing job fixing our Roof and Duct work we needed done. Greatly appreciate them and recommend them 10/10 ! Thank you for everything making our home look great

Google Roofers

Adrian Espinoza

Fresno, CA

They not only did everything they said they would do in the estimate, they went above and beyond with the repairs on the roof and came out on NEW YEARS DAY to do the job!
I would highly recommend GRAND MARK ROOFING to anyone looking for any type of roofing needs!

Google Roofers

Steve larson

Sacramento, CA

David provided me with an estimate & video of tile roof issue. Although Grandmark Service Co. cannot do a small section repair that I need David did a good job of explaining the situation.

Google Roofers

Nancy Silva

Bakersfield, CA


FAQ

Emergency HVAC California — questions answered

Everything California customers ask when their HVAC system fails.

Yes. Call (866) 671-2677 at any time. HVAC failures don’t follow business hours — and in a California summer, a weekend AC failure is the same health risk as a weekday one. We tell you honestly what’s available when you call.

A furnace failure can be a safety issue depending on the cause. A cracked heat exchanger in a gas furnace can allow carbon monoxide to enter living spaces — which is a life-safety situation. If your CO detector has alarmed or you smell gas, leave the building and call 911 first. For any furnace failure, carbon monoxide safety is assessed as part of every Grandmark emergency furnace call.

In California’s Central Valley heat — yes. A system running without cooling is either low on refrigerant, has a failed capacitor, a dirty condenser coil, or a failing compressor. Every hour a compromised system continues to run in extreme heat, it gets closer to complete failure. Call us — don’t wait and monitor.

AC out. call now. we dispatch today.

Same-day dispatch from 5 California offices. Parts on every truck. Fix it or you don’t pay. $0 down financing. All 5 California markets.

We fix the problem or you don’t pay — guaranteed on every repair.