Don’t let Your budget Be the reason your HVAC waits.
A failing AC in California’s heat doesn’t get better with time — it gets more expensive. $0 down, 0% interest for 18 months on all HVAC services across all 5 California markets. Most qualify same day. No hard credit pull to check.
Two financing options — choose what fits your project
0% interest — 18 months
6.99% APR — 5 years
Financing available on every HVAC service — residential and commercial
AC repair
All residential AC repairs — refrigerant leak, capacitor, compressor, coil cleaning, and duct leakage. At 6.99% APR over 5 years a $1,500 repair is $30/month. $0 down — work starts the day financing is approved.
AC replacement
Full system replacement — central split, heat pump, high-efficiency SEER2, and ductless mini-split. At 6.99% APR over 5 years a $6,000 replacement is $119/month. Manual J load calculation included. $0 down — work starts within days of approval.
Emergency repair
Same-day approval means financing doesn’t delay the repair. In California’s heat, every hour a failed AC goes un repaired costs more than the hour before. A $1,500 emergency repair is $83/month at 0% over 18 months.
New installation
New construction, additions, and homes without existing central air. Complete duct design, Manual J load calculation, and permitted installation. At 6.99% APR over 5 years a $8,000 installation is $158/month.
Heating repair
Heating failures in California are emergencies too
Furnace repair, heat pump diagnosis, and heating system replacement. Sacramento winters and Valley cold snaps are genuine heating emergencies. At 0% interest over 18 months a $1,500 furnace repair is $83/month.
Your financing covers an HVAC system that’s guaranteed.
Every replacement — regardless of how it’s financed — includes our workmanship guarantee plustplus the manufacturer equipment warranty. That guarantee doesn’t change because the project was financed. It never has. It never will.
— Grandmark Service Company · All HVAC repairs and replacements · All 5 California markets.
Our Lifetime Guarantee
Our HVAC Guarantee
If we fix your HVAC system and the same problem returns — we come back and fix it at zero cost to you. We stand behind every repair and replacement we complete — not just because of the manufacturer’s warranty, but because our reputation depends on the quality of our work.We want to be the only contractor you ever trust with your home.
— Grandmark Roofing This guarantee applies to all residential and commercial HVAC replacements across all 5 California markets.
Excellent customer service, responsive, on time, fast and understanding.
Cindy Jackson
Fresno, CA
Tony was very professional and friendly. He was thorough in his work. I appreciate that he took the time to answer my questions and listen to my concerns regarding my AC unit. He represents his company well. Thank YOU Tony
Sandra Louie
Sacramento, CA
It is rare to see a company put the customer first these days and Grandmark did just that.
Dennis Randle
Bakersfield, CA
From first call to job start — most HVAC projects begin within 24 hours
Schedule your free HVAC estimate
Call (866) 671-2677 or submit online. A licensed HVAC technician diagnoses your system and documents every finding on video. Completely free residential and commercial. No obligation.
Receive your written scope and itemized quote
Every line explained — scope, parts, timeline, and total cost before any work begins. No hidden charges. You know the full cost before approving anything.
Check your financing eligibility — 2 minutes, no hard credit pull
Checking eligibility doesn’t affect your credit score. Most approvals come back within minutes. We handle the paperwork — you just sign.
Choose your plan and approve the work
0% for 18 months or 6.99% APR over 5 years. Work scheduled immediately upon approval.
Work completed and video-documented — guaranteed
Every job documented on video. Same problem comes back — we fix it at no charge. That guarantee doesn’t change because the project was financed.
Serving all 5 California markets
Licensed roofing crews dispatched from 5 offices. Same-day service available in most areas.
Fresno
Sacramento
Bakersfield
Stanislaus
Visalia
FAQ
Financing questions answered
Everything California customers ask before approving an HVAC repair or replacement.
$0 down. 0% interest.
Your HVAC fixed today.
Same-day approval. No hard credit pull. Fix it or you don’t pay. Residential and commercial. All 5 California markets.