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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Sugar Land, TX
Sun Air Conditioning & Heating has been a trusted name in HVAC services since 1973, serving the Greater South/West Houston areas. Our team of NATE-certified technicians brings over 150 years of combined expertise to every project, prioritizing integrity, precision, and customer satisfaction. We specialize in air conditioning repair, installation, and maintenance, as well as heating solutions, ductless mini-splits, and indoor air quality improvements. As an independent Trane dealer, we combine cutting-edge technology with personalized service to deliver energy-efficient comfort solutions.

Our commitment to transparency, no high-pressure sales tactics, and 100% customer satisfaction guarantee ensures clients receive honest advice and long-term value. With 24/7 emergency services and a focus on community, we treat every home like our own, exceeding expectations through meticulous attention to detail and unmatched expertise.
Services
AC Repair Heating Installation Ductless Mini-Splits HVAC Maintenance Indoor Air Quality Commercial HVAC Emergency Repairs Duct Cleaning Thermostat Services System Replacement
Details
  • Year established: 1973
Highlights and features
  • We guarantee 100% customer satisfaction on all HVAC services.
  • Our team includes NATE-certified technicians with over 150 years of combined experience.
  • We service all brands of heating and AC equipment without bias.
  • 24/7 emergency repair services available for urgent HVAC issues.
  • Transparent pricing with no high-pressure sales tactics.
Associations and certifications
  • Trane
  • North American Technician Excellence (NATE)
What people say
Speedy Response Time Free Replacement Quotes 100% Satisfaction Guaranteed Great Local Reputation NATE-Certified Techs
Services
AC Repair
Our AC repair services address all cooling system issues, from refrigerant leaks to electrical failures. NATE-certified technicians use advanced diagnostics to restore comfort quickly. We guarantee lasting solutions, not temporary fixes, ensuring optimal performance year-round.
Heating Installation
We install high-efficiency heating systems tailored to your property's needs. Our Trane equipment ensures reliable warmth and energy savings. Proper installation extends system lifespan while improving indoor air quality and temperature consistency.
HVAC Maintenance
Regular maintenance prevents breakdowns and maintains peak efficiency. Our technicians inspect components, replace filters, and test performance. Scheduled tune-ups reduce energy costs and prolong system longevity for residential and commercial clients.
Indoor Air Quality
We offer UV lights, dehumidifiers, and advanced filtration systems to combat pollutants. Our solutions target allergens, bacteria, and VOCs, creating healthier environments. Duct cleaning services remove contaminants, enhancing airflow and system efficiency.
Commercial HVAC
Our commercial services include system installation, emergency repairs, and maintenance plans. We minimize downtime for businesses while optimizing energy use. Custom solutions suit offices, retail spaces, and industrial facilities across Greater Houston.
People
Jim Mazurkiewicz
Founder
Founded Sun Air Conditioning in 1973, Jim established a legacy of integrity and customer-focused HVAC service in Sugar Land, TX.
Jeanette Mazurkiewicz
Co-Founder
Co-founded the company with Jim in 1973, contributing to its growth into a trusted local HVAC leader before her passing.
Richard S.
Senior Technician
Joined in 1983, Richard became our longest-tenured technician, bringing decades of expertise to residential and commercial HVAC solutions.
Art O.
Operations Manager
Joined in 2004, Art ensured continuity of service excellence after Jeanette's passing, maintaining the company's core values.
Rusty S.
General Manager
Licensed TDL contractor who joined in 2018, refining business systems to enhance service quality and operational efficiency.
Questions
What HVAC services do you offer in Sugar Land, TX?
We provide AC repair, heating installation, ductless mini-splits, indoor air quality solutions, commercial HVAC services, and 24/7 emergency repairs.
How often should I schedule HVAC maintenance?
Annual maintenance for both heating and cooling systems ensures optimal performance, energy efficiency, and early detection of potential issues.
What are signs my HVAC system needs replacement?
Frequent breakdowns, uneven cooling/heating, rising energy bills, and poor air quality indicate it may be time for a system upgrade.
Do you offer emergency HVAC services?
Yes, our 24/7 emergency service ensures prompt repairs for urgent AC or heating failures, minimizing discomfort and system damage.
How can I improve indoor air quality?
Our solutions include UV lights, high-efficiency air filters, dehumidifiers, and professional duct cleaning to reduce allergens and pollutants.
Are financing options available for HVAC upgrades?
Yes, we offer 0% APR financing for 72 months on qualifying HVAC system replacements to make comfort improvements more affordable.