Honest Heating & Air.
Done Right The First Time.
Straight answers, upfront pricing, and workmanship we stand behind. No pressure, no unnecessary upselling. Just the repair or system your home actually needs.
Heating & Cooling For The Temecula Valley
Complete HVAC service for homes across Temecula, Murrieta, and Southwest Riverside County. Repairs, replacements, and maintenance handled with precision and pride.
Installation
New systems done right the first timeAir Conditioning Installation
- Free in-home assessment with a full load calculation so your system is sized right the first time
- High-efficiency, quiet systems from Carrier, Lennox, Daikin, and Trane
- Most installs completed in a single day
- Backed by the No Lemon and Comfort Guarantees, with Synchrony financing available
Heating & Furnace Installation
- Right-sized furnaces matched to your home, your ductwork, and your budget
- High-efficiency systems that cut winter gas bills
- Old equipment hauled away and the work area left spotless
- One year parts and labor warranty on every install
Heat Pump Installation
- One system that heats and cools your home all year
- Among the most efficient options for Southern California climates
- Quiet operation and precise temperature control
- Expert sizing and setup for maximum efficiency
Ductless Mini-Split Installation
- Single and multi-zone systems with no ductwork required
- Perfect for garages, additions, ADUs, and rooms that never cool right
- Whisper-quiet units with room-by-room control
- Clean, tucked-away line sets and a tidy finished look
Repair & Maintenance
Fast fixes and tune-ups for every brandAC Repair
- Warm air, weak airflow, strange noises, and rising bills diagnosed fast
- Same-day service available during business hours
- $120 diagnostic, waived when you book the repair
- All makes and models, with honest fix-or-replace advice
AC Maintenance
- Multi-point seasonal inspection and tune-up
- Coil cleaning, refrigerant check, and electrical testing
- Keeps efficiency up, bills down, and your warranty protected
- Included twice a year with the Comfort Club membership
Heating Repair
- No heat, short cycling, and strange smells handled fast
- Safety-first diagnosis including the heat exchanger
- $120 diagnostic, waived when you book the repair
- All brands of furnaces and heat pumps
Heating Maintenance
- Fall tune-ups that catch problems before the first cold night
- Burner, ignition, and safety control inspection
- Carbon monoxide safety check on every visit
- Fewer breakdowns and a longer system life
Furnace Services
- Complete care for gas furnaces, from repairs to full service
- Heat exchanger inspections for your family's safety
- Airflow and combustion tuned for peak performance
- Straight answers on repair versus replacement
Heat Pump Repair
- Heating and cooling mode problems diagnosed correctly
- Refrigerant, reversing valve, and defrost issues handled
- All major heat pump brands serviced
- Honest guidance on repair cost versus system age
More Ways We Help
Air quality, ductwork, insulation, and beyondIndoor Air Quality
- Filtration and air cleaning upgrades for dust and allergens
- Healthier air for kids, seniors, and allergy sufferers
- Solutions matched to your system and your home
Duct Cleaning, Repair & Replacement
- Duct cleaning and sealing to stop leaks that waste conditioned air
- Full duct replacement and redesign for even airflow
- Fixes for hot and cold spots room to room
Smart Thermostats & Zoning
- Smart thermostat installation and setup
- Zoning systems so every room holds its own temperature
- Lifetime thermostat coverage available on qualifying systems
Attic Insulation
- Keep conditioned air where it belongs
- Real relief for your HVAC system and your energy bill
- Pairs perfectly with a new system install
Package Units & Swamp Coolers
- Service and replacement for rooftop and package systems
- Evaporative cooler service and swap-outs
- Honest advice on upgrading to modern refrigerated air
New Construction, ADUs & Light Commercial
- Complete HVAC for new builds and ADUs
- Light commercial service across Southern California
- Designed, permitted, and installed to spec
We install and service Carrier, Lennox, Daikin, Trane, and every major brand.
Licensed C20 Pros
The Pros Your Temecula Neighbors Wave At
From Old Town Temecula to Murrieta and Menifee, when we show up, you know it. Family owned, backed by more than 20 years in the trade, and work done like we are the ones living in the house.
- EPA 608 and NATE certified technicians
- Background checked and drug tested, every employee
- Uniformed, clean-cut technicians at your door
- Shoe covers and drop cloths on every visit
- Upfront pricing approved before any work starts
- Job site left cleaner than we found it
Our Name Is The Way We Do Business
Every customer deserves honest advice, quality workmanship, and service they can trust. Here is what that looks like in practice.
Integrity First
We do what is right even when no one is watching. Honest recommendations with no pressure and no unnecessary upselling, ever.
Customer Focused
We listen to your concerns, explain your options clearly, and help you make the best decision for your home and budget.
Comfort & Efficiency
Solutions designed to maximize your home's comfort while lowering energy costs and extending the life of your HVAC system.
Respect For Your Home
We treat every home as if it were our own. Clean work areas, protected floors, and a spotless job site when we leave.
Guarantees That Mean Something
Anyone can promise quality. We put it on paper.
No Lemon Guarantee
If the compressor in your new AC or the heat exchanger in your new furnace fails, we do not just fix it. We replace the entire unit.
1-Year Parts & Labor
Every repair and installation is backed by a full one year warranty on both parts and labor. If it fails, we come back and make it right.
Satisfaction Guarantee
You are satisfied with our work or you do not pay. It is that simple, and it is why our name is Integrity.
Comfort Guarantee
Your system will heat and cool your home to the manufacturer's design specifications, or we keep working until it does.
The Integrity Comfort Club
One low monthly fee keeps your system running like it should, protects your warranty, and puts you at the front of the line when the valley heats up.
- Two seasonal tune-ups per year, cooling in spring and heating in fall
- Priority scheduling ahead of non-members, even in peak season
- 15% off all repairs, all year long
- Waived diagnostic fees on every service call
- Longer equipment life and protected manufacturer warranties
- Member pricing on system replacements
New System? Easy Monthly Payments.
Flexible financing through Synchrony makes replacing your system affordable, with quick approval decisions so you are never stuck sweating out a summer waiting on a budget.
Comfort In Three Steps
Call Or Book Online
Tell us what is going on. We will schedule a visit that works for you, with same-day appointments available for urgent problems.
Get An Honest Diagnosis
We inspect your system, explain what we find in plain language, and give you upfront pricing on your options. You decide, never us.
Comfort You Can Feel
Every job is completed with precision and attention to detail, then tested and walked through with you before we call it done.
Serving The Temecula Valley & Beyond
Headquartered in Temecula, we serve homeowners across Riverside County, North San Diego County, Orange County, and San Bernardino County.
Not on the list? Give us a call. If we can legally work there, we can get to you.
Get In Touch
Call or text, we answer
Serving all of Southern California
Same-day service available
C20 Warm-Air Heating, Ventilating & AC
Integrity You Can Trust, Comfort You Can Feel.
Temecula Valley's honest HVAC company. We do not just fix heating and cooling systems. We earn customers for life.
Ready When You Are
Tell us what is going on with your system and we will get back to you fast with honest answers and upfront pricing. Repairs start with a $120 diagnostic, waived when you book the work with us.
Request Received
Thank you. We will reach out shortly to get you scheduled.
Need help right now? Call (951) 702-4322.