Business Details
50 Years
experience
Emergency
services
Trusted HVAC Services in Stockton, CA
M & M Heating & Air Conditioning Service has been a trusted provider of HVAC solutions in Stockton and surrounding areas since 1976. Our family-owned business combines decades of experience with a commitment to delivering reliable heating, air conditioning, and indoor air quality services for residential and commercial clients. Our team of NATE-certified technicians prioritizes customer satisfaction through flat-rate pricing, a one-year workmanship warranty, and partnerships with organizations like the Comfort Institute to ensure holistic home comfort.We maintain an A+ BBB rating and are certified members of the National Air Duct Cleaning Association, demonstrating our dedication to industry standards. With 24-hour emergency service availability and financing options through the California First program, we aim to make high-quality HVAC solutions accessible to all our clients.
Services
Air Conditioning
Heating
Water Heaters
Indoor Air Quality
Financing Options
Details
- Year established: 1976
Highlights and features
- Family-owned since 1976 with 40+ years of local HVAC expertise
- NATE-certified technicians for industry-recognized technical proficiency
- A+ BBB rating demonstrating proven business reliability
- 24/7 emergency service with appointment scheduling flexibility
- Partnership with Comfort Institute for whole-home comfort analysis
Associations and certifications
- BBB
- NATE
- National Air Duct Cleaning Association
What people say
Dependable service
Professional technicians
Prompt emergency response
Transparent pricing
Long-term warranties
Services
Air Conditioning
We provide comprehensive air conditioning solutions including repair, service, and replacement for residential and commercial properties. Our NATE-certified technicians ensure optimal cooling performance while maintaining energy efficiency. With free estimates on new installations and 24/7 emergency service availability, we help clients maintain comfortable indoor temperatures year-round.
Heating
Our heating services cover furnace and heater replacement, installation, and maintenance for homes and businesses. We address both system performance and energy efficiency concerns while providing flat-rate pricing. Our technicians diagnose heating issues that may impact comfort or utility costs, offering solutions that include extended warranty options up to 10 years.
Indoor Air Quality
We offer indoor air quality assessments and solutions including duct cleaning, ventilation systems, and air filtration upgrades. Our services address humidity control, contaminant prevention, and carbon monoxide detection to improve respiratory health and HVAC system efficiency. As certified members of the National Air Duct Cleaning Association, we follow industry standards for duct maintenance and repair.
Financing Options
We provide financing through the California First program with 0% interest options available for qualified customers. This enables clients to invest in HVAC upgrades while managing costs through structured payment plans. Our financing options apply to equipment installations and major system replacements, making comfort solutions more accessible.
Whole House Comfort
Our Whole House Comfort approach evaluates HVAC systems in context with other home systems to optimize performance. Partnering with the Comfort Institute, we analyze energy usage patterns, temperature inconsistencies, and air quality factors. This comprehensive assessment leads to customized solutions that address interconnected issues affecting overall home comfort.
People
Ronald Malmquist
Founder
Ronald Malmquist co-founded M & M Heating & Air Conditioning Service in 1976. With over four decades of HVAC industry experience, he established the company's commitment to technical excellence and customer satisfaction. His leadership shaped the business's focus on certified technicians and comprehensive comfort solutions.
Joan Malmquist
Founder
Joan Malmquist co-founded the company with her husband Ronald in 1976. She helped establish the family-owned business's values of integrity and personalized service. Her contributions to creating a customer-centric approach continue to influence the company's operations and community relationships today.
Questions
What HVAC services do you offer in Stockton?
We provide air conditioning repair/installation, heating system replacement, indoor air quality solutions, duct cleaning, and 24/7 emergency HVAC services for residential and commercial clients.
Do you offer financing options for HVAC upgrades?
Yes, we offer 0% financing through the California First program for qualified customers on equipment installations and major system replacements.
What areas do you service besides Stockton?
We serve Lodi, Manteca, Lathrop, Tracy, and the entire San Joaquin County area with the same quality HVAC services as our home city.
Are your technicians certified?
All our technicians are NATE-certified, ensuring they meet national standards for HVAC technical proficiency and customer service.
What warranty options are available?
We offer a standard 1-year workmanship warranty with extended options up to 10 years, plus we honor all manufacturers' warranties in full.
How can I schedule HVAC service?
Call us at (209) 952-6580 during regular business hours or use our online contact form to schedule appointments, including 24/7 emergency service.
