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Expert HVAC Repair & Installation in Mesquite, TX
Mathis Air & Heat has been delivering trusted HVAC solutions across the Dallas Metroplex for over three decades. Our commitment to combining cutting-edge technology with old-fashioned integrity has made us a preferred choice for residents and businesses in Mesquite, Forney, Dallas, Plano, McKinney, Richardson, Rowlett, Rockwall, and surrounding areas. We specialize in air conditioning and heating repair, maintenance, and installation services that prioritize customer satisfaction through transparent pricing, no-surprise policies, and guaranteed workmanship.

Our team of certified technicians brings extensive experience to every service call, ensuring efficient diagnostics and solutions that restore comfort while maintaining the highest standards of professionalism. With a 100% satisfaction guarantee and a focus on leaving no mess behind, we've built lasting relationships with our community through reliability, expertise, and exceptional service delivery.
Services
HVAC Repair System Replacement Emergency Services Indoor Air Quality Thermostat Installation Ductless Systems Preventive Maintenance Warranty Repairs
Highlights and features
  • 32 years of local HVAC expertise with certified technicians
  • Free estimates and second opinions with no-obligation pricing
  • 100% satisfaction guarantee on all repairs and installations
  • Emergency services available for urgent heating/cooling needs
  • Financing options for new system purchases with approved credit
Associations and certifications
  • American Standard
  • Authorized Warranty Repair
What people say
Amazing service Quick and efficient Highly recommend Professional and courteous Stress-free experience
Services
HVAC Repair
Our certified technicians diagnose and fix all heating and cooling system issues with upfront pricing and guaranteed workmanship. We service all brands and provide same-day emergency repairs for urgent comfort needs. Our 100% satisfaction guarantee ensures complete resolution of HVAC problems while maintaining clean work environments.
System Replacement
As an American Standard dealer, we design and install high-efficiency HVAC systems tailored to your home's specific needs. Our installations include SEER-rated air conditioners, heat pumps, and furnaces with financing options available. We guarantee proper system sizing and energy-efficient performance for long-term comfort and savings.
Preventive Maintenance
Regular maintenance plans ensure optimal HVAC performance and extend system lifespan. Our technicians perform comprehensive inspections, cleaning, and adjustments to prevent breakdowns. We recommend bi-annual servicing to maintain manufacturer warranties and maximize energy efficiency for residential and commercial properties.
Indoor Air Quality
We offer advanced indoor air quality solutions including air purifiers, humidifiers, and ventilation systems. Our IAQ specialists assess home environments to recommend filtration systems that reduce allergens and improve respiratory health. These solutions integrate with existing HVAC systems for whole-home comfort improvements.
Ductless Systems
Our ductless HVAC solutions provide zoned temperature control for home additions or spaces without existing ductwork. Certified technicians install energy-efficient mini-split systems that offer independent room control. These systems deliver quick installation with minimal disruption and improved energy efficiency compared to traditional HVAC setups.
People
Matt Mathis
Owner
With 32 years in the HVAC industry, Matt leads Mathis Air & Heat with a commitment to integrity and customer satisfaction. He oversees daily operations while maintaining hands-on involvement in complex service calls.
Christi
Service Coordinator
Christi manages customer service operations with over 15 years of HVAC industry experience. She coordinates scheduling, handles customer inquiries, and ensures seamless service delivery across the Dallas Metroplex.
Kerry Head
Lead Technician
Certified HVAC technician Kerry has 20+ years of field experience. He specializes in system diagnostics, installations, and customer education about HVAC maintenance and efficiency improvements.
Questions
How long does an HVAC system typically last?
HVAC systems generally last 10-20 years depending on maintenance frequency, filter changes, and usage patterns. Regular servicing extends system lifespan.
Why is my air conditioner blowing warm air?
Common causes include dirty filters, low refrigerant, thermostat issues, or outdoor unit problems. Our technicians diagnose and fix these issues promptly.
How often should I service my HVAC system?
We recommend bi-annual maintenance: once in spring for cooling systems and once in fall for heating systems to ensure optimal performance.
Can I perform my own HVAC repairs?
While basic tasks like filter changes are DIY-friendly, most repairs require professional expertise to avoid safety risks and warranty voidance.
What SEER rating should I choose?
Our American Standard systems range from 14-20 SEER. Higher ratings mean greater efficiency. We help determine the optimal rating based on your home and budget.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency services for urgent heating and cooling needs with no additional charges for after-hours service.