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40 Years
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Emergency
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Your Trusted Partner for HVAC Solutions in Lewisville
Since 1986, Allied American Service has been a family-owned HVAC company dedicated to customer satisfaction in Lewisville, Texas. Our certified technicians provide comprehensive heating, ventilation, and air conditioning services including repair, replacement, installation, and preventative maintenance. As Trane Comfort Specialists, we service all major HVAC brands while maintaining expertise in advanced installation techniques. With over 34 years of experience, we prioritize prompt service, competitive pricing, and professional execution for both residential and commercial clients. Our commitment to quality workmanship extends to appliance repair services, ensuring optimal home efficiency.

Serving Lewisville, Flower Mound, Highland Village, Grapevine, and surrounding communities, we combine technical expertise with personalized service. Our team handles everything from emergency AC repairs to complete system replacements, using only company-trained technicians rather than subcontractors. Customer testimonials consistently highlight our courteous professionals, transparent pricing, and problem-solving capabilities that save clients money while maintaining comfort. Through regular maintenance programs and free in-home consultations, we help clients maximize system longevity and energy efficiency.
Services
HVAC Repair Air Conditioner Replacement Maintenance & Tune-Ups Heating System Service Heat Pump Repair
Details
  • Year established: 1986
Highlights and features
  • 34 years of local HVAC expertise
  • Factory-certified Trane specialists
  • 100% company-trained technicians
  • Free in-home system evaluations
  • 24/7 emergency repair availability
Associations and certifications
  • Trane Comfort Specialist
What people say
Outstanding service Fixed AC quickly Professional technicians Saved thousands Competitive pricing
Services
HVAC Repair
Our certified technicians provide rapid diagnosis and repair of all HVAC system issues. From emergency AC breakdowns to heating system malfunctions, we use advanced diagnostic tools and manufacturer-approved parts to restore comfort quickly. With same-day service available, we minimize downtime while ensuring lasting solutions for residential and commercial properties.
Air Conditioner Replacement
Upgrade to energy-efficient cooling systems with expert installation services. We offer complete AC replacement including system selection, proper sizing calculations, and professional installation of Trane and other major brand units. Our technicians ensure optimal performance while providing competitive pricing and helping customers maximize energy rebates and tax incentives.
Maintenance & Tune-Ups
Preventative maintenance plans extend HVAC system lifespan and improve efficiency. Our comprehensive tune-ups include component inspections, cleaning, lubrication, and performance testing. Regular maintenance reduces breakdown risks, lowers energy bills, and maintains manufacturer warranty validity for both residential and commercial cooling and heating systems.
Heating System Service
Expert repair and maintenance for all heating system types including gas furnaces, electric heaters, and heat pumps. Our technicians diagnose issues with ignition systems, thermostats, and heat exchangers to ensure reliable winter operation. We service all major brands while offering replacement options for aging systems needing modernization.
Heat Pump Repair
Specialized repair and maintenance for heat pump systems in both residential and commercial settings. Our technicians address defrost cycle issues, refrigerant leaks, and compressor problems while optimizing system efficiency. We provide seasonal performance checks and emergency repair services to maintain year-round comfort in North Texas climates.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including repair, replacement, installation, and maintenance for residential and commercial systems. Our services cover all major brands and include emergency repair options.
Are your technicians certified?
Yes, our team includes factory-certified Trane specialists and fully trained HVAC professionals who complete ongoing education to maintain technical expertise with all system types.
Do you offer emergency HVAC service?
We provide 24/7 emergency repair services for urgent HVAC issues, with rapid response times to restore comfort during critical system failures in extreme weather conditions.
What areas do you serve?
We serve Lewisville, Flower Mound, Highland Village, Grapevine, and surrounding North Texas communities with both residential and commercial HVAC solutions.
Do you provide free estimates?
Yes, we offer free in-home consultations and no-obligation quotes for HVAC system replacements and major repair projects to help customers make informed decisions about their comfort needs.
How can I maintain my HVAC system?
We recommend bi-annual maintenance visits for optimal performance. Our preventative maintenance plans include comprehensive system checks, cleaning, and performance optimization to extend equipment lifespan.