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– Professionally Trained Hvac Technicians
– Residential & Commercial – 24 Hours / 7 Days
– Always Prompt, Honest, & Reliable


Over 250,000 Satisfied Clients
Read what customers have to say



  • Heating and Air Repair San Diego
  • Thermostats
  • Whole House Air Purification
  • Apartments & Condominiums
  • Scheduled Maintenance
  • Furnace Repair in San Diego
  • Service Calls – Fast Response
  • Duct Inspection & Sealing
  • Heat Pumps & Energy Savings
  • Humidifiers
  • Zoning for Savings & Comfort
  • Property Management Services
  • Garbage Disposals
  • Tankless Water Heaters
  • Sinks, Bathtubs & Toilets
  • Low Water Pressure
  • Earthquake Shut-off Valves
  • Backflow Prevention
  • Water Heaters
  • Shower Repair & Replacements
  • Water Softener Installation
  • Re-piping With Copper
  • Burst Pipes
  • Gas Lines


“I called them up at 10pm because we had a sudden burst pipe in our home. They were there within the hour, the owner assured us that it was going to be great and explained to us exactly what they were doing. They really went above and beyond our expectations. All of our stuff was put back together perfectly, and we were VERY happy with how it all turned out. Definitely our new favorite company.” -Mark G. San Diego, CA


“We needed our AC system repaired on a very hot day. They arrived promptly less than hour after I called them and fixed our home AC system without delay. Their prices were very reasonable and the technician that they sent was really friendly & knowledgeable. I fully recommend Ace Contractors!” -Albert H. San Diego, CA

HVAC Rancho Peñasquitos

HVAC Rancho PeñasquitosAt Ace Contractors, it is an honor and a privilege to satisfy our Rancho Peñasquitos customers. How do we satisfy our customers? Well, we provide superior HVAC services when you need them most. That means around the clock—24 hours a day, 7 days a week! Your emergencies provide us with a chance to prove our commitment to you and the Rancho Peñasquitos community.

HVAC Contractor – High Quality Repair and Installation Service for Homes and Businesses

Our products and services have received the stamp of approval from more than 250,000 customers over the years. That’s a lot of smiling faces! If you need air conditioning service or repairs in Rancho Peñasquitos, don’t entrust the project to anyone but our highly trained specialists. We will diagnose and fix your existing unit or install you a new one that will offer better performance. You name it, we can get it done at Ace Contractors.

  • Emergency Service
  • Open 24 Hours
  • Same-Day Service
  • Residential & Commercial
  • Thermostat Upgrades (Wifi)
  • Light Commercial HVAC
  • Duct Cleaning
  • Exhaust Fans
  • Whole Home Re-Ductings
  • Preventative HVAC Maintenance Packages
  • Air Conditioning
  • Split Systems
  • Ductless Systems
  • Heating
  • HVAC Systems
  • Cooling Systems
  • Air Conditioner Installation
  • Central AC
  • AC Repair
  • Chillers
  • HVAC Controls
  • Equipment System Integrations
  • Energy Management
  • Furnace Installation & Repair
  • Pilot
  • Heat Pumps
  • Hybrid Systems
  • Wall Heater
  • Floor Heaters
  • Boilers
  • Air Purification
  • Air Filter Cleaning
  • Electronic Air Cleaners
  • UV Light Systems

PQ Heating Furnace Repair & Installation

Over the 50 years we have been working in the field, Ace Contractor has established numerous relationships with various industry leaders for quality products and services. If your furnace is on the blink, take advantage of our 24-hour emergency service. Our trained technicians can troubleshoot the problem and offer a fast and friendly solution. Plus, our many industry contacts can assure that you get the latest products and services when you need them most.

Put your plumbing and HVAC problems in our trustworthy hands. We can fix it or replace it! We promise!

High-Efficiency Tankless Water Heaters

Ace Contractors believes in offering our customers the absolute best when it comes to products and services. That’s why we stay up to date on what’s happening in the plumbing and HVAV industries. If your existing water heater just isn’t doing what it needs to, we can help. Call us for a free estimate on getting a new tankless water heater installed on your property.

rancho peñasquitos heating ventilation and cooling

Diamond Ace Contractors
Rancho Penasquitos