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Your Trusted HVAC Partner in La Mesa, CA
Reitz Heating & Air has been delivering reliable HVAC solutions to La Mesa, San Diego, and surrounding communities for over 12 years. As a locally owned, family-operated, and women-led business, we prioritize integrity, quality, and personalized service. Our team of licensed and insured technicians specializes in heating, cooling, ventilation, and mini-split systems, with a commitment to honoring manufacturer warranties and offering workmanship warranties for added peace of mind.

Recognized as a Nextdoor Neighborhood Favorite from 2021 to 2024, we provide emergency services, 24-hour estimates, and tailored maintenance plans. Our focus on honest, prompt service without unnecessary upselling has earned the trust of homeowners seeking efficient, long-term comfort solutions. We proudly offer a 10% discount to military personnel, veterans, first responders, and senior citizens as a thank-you for their service.
Services
Heating Services Cooling Services Ventilation Services Mini-Split Installations Maintenance Plans AC System Installation Furnace Repairs Duct Cleaning Air Purification Thermostat Upgrades
Highlights and features
  • We have over 12 years of experience in residential HVAC services.
  • Our team is fully licensed and insured for your protection.
  • Emergency services are available to address urgent needs.
  • We provide estimates within 24 hours of initial consultation.
  • We offer a 10% discount for military, veterans, and seniors.
What people say
Reliable service Professional technicians Prompt emergency support 10% discount offered Honest recommendations
Services
Heating Services
Our heating services include installation, repair, and maintenance of furnaces and heat pumps to ensure reliable warmth during colder months. We focus on energy efficiency and cost-effective solutions for homeowners. Our licensed technicians provide prompt service to minimize downtime and maintain comfort.
Cooling Services
We offer comprehensive cooling solutions, including AC installation, repair, and seasonal maintenance. Our team ensures systems run efficiently to combat San Diego's warm climate. Preventative care reduces breakdowns and extends equipment lifespan while maintaining optimal performance.
Mini-Split Installations
Mini-split systems provide zoned heating and cooling for targeted comfort without ductwork. Our experts handle installation, repair, and maintenance of energy-efficient mini-split units. These quiet, customizable systems are ideal for home additions or spaces with unique HVAC needs.
Ventilation Services
Proper ventilation improves indoor air quality and system efficiency. We offer duct cleaning, air purifier installation, and ventilation upgrades to reduce allergens and ensure healthy airflow. Our services enhance comfort while maintaining energy-efficient home environments.
Maintenance Plans
Custom maintenance plans extend HVAC system longevity and prevent costly repairs. Regular inspections, filter replacements, and performance tuning keep systems running efficiently. Plans include priority scheduling and detailed assessments to uphold manufacturer warranties and optimize energy savings.
People
EJ
Founder
EJ co-founded Reitz Heating & Air to provide honest, reliable HVAC services without unnecessary upselling. With over 12 years in the industry, he focuses on customer satisfaction through transparent communication and quality workmanship for San Diego homeowners.
Suzanne
Co-Owner
Suzanne partners with EJ to lead Reitz Heating & Air's commitment to community-focused service. Her leadership emphasizes integrity and personalized solutions, ensuring clients receive efficient HVAC systems tailored to their specific comfort needs.
Questions
What areas do you serve?
We serve La Mesa, San Diego, and surrounding areas in California with HVAC installation, repair, and maintenance services.
Do you offer emergency HVAC services?
Yes, we provide emergency services for urgent heating and cooling needs outside regular business hours.
What HVAC maintenance plans are available?
We offer customized maintenance plans with seasonal inspections, filter replacements, and performance tuning to optimize system efficiency and longevity.
Are there discounts for military or seniors?
Yes, we provide a 10% discount for active military, veterans, first responders, and senior citizens.
How quickly can you provide service estimates?
We deliver estimates within 24 hours of initial consultation for all HVAC services and installations.
What HVAC brands do you work with?
We service and install systems from leading brands including Daikin, Bryant, Lennox, and Trane.
Videos
Reviews (5)
Corey F.
Nov 12, 2021 Report
Choosing Reitz Heating and Air was the best decision I made for my home remodel. EJ, the owner, and Carlos did an amazing job. As with all home remodel projects, I always get multiple quotes - and I did that for my HVAC project too. I only had an original 1970's heater in my house and needed quite a bit of work done to get the house comfortable in an energy-efficient way. Since I have an add-on that didn't have existing ducting (or a path to add it), I needed both central air a separate unit. In the end, I ended up having Reitz install a slimline 4-ton central HVAC unit (takes up half
Chris Franco
Oct 06, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
If you have issues with your HVAC system, do yourself a favor and call EJ asap! Excellent service, friendly demeanor and probably knows more about these systems than anyone out there!
Service:HVAC repair
Margaret Meyer
Sep 28, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Quick to address a minor problem with one of my mini splits. They fixed it quickly and cleaned up when they were done. Good people
Services:Ductless heating and AC services,AC maintenance
Camille Chenoweth
Sep 14, 2021 Report
Our air conditioner was twenty-one years old, quit, and was not repairable. We got multiple bids on replacing it but didnt find the right fit until we called Reitz Heating and Air. EJ Reitz is local to our area, is extremely knowledgeable, and passionate about what he does. He scheduled us as soon as we accepted his bid. EJ successfully installed our new HVAC system by relocating the system so it would work more efficiently. We appreciated that his approach is super flexible; he always considered our input and what he discovered as the project progressed. He took the time to explain everything
Dawn Moore
Aug 26, 2021 Report
We thought we had to have our AC replaced (because we were told that by two other companies/techs) until EJ shows up and fixes it in less than an hour. Both EJ and Carlos were extremely professional and are totally committed to quality and efficiency. We will add to our existing AC some mini splits because it's so affordable with these guys. Couldn't have asked for more knowledgeable, kinder, or super easy to understand pros. We are extremely grateful.