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Trusted HVAC Services in College Station, TX
Grimes & Galan Heating & Cooling has served Bryan and College Station for over 40 years, delivering reliable air conditioning and heating solutions. Our family-owned business prioritizes transparency, affordability, and customer satisfaction, leveraging decades of combined expertise to address residential and commercial HVAC needs. With a focus on prompt service and quality workmanship, we maintain low overhead to ensure competitive pricing without compromising on results.

Our veteran-owned operation emphasizes honesty, thorough diagnostics, and long-term system efficiency, fostering trust through referrals and repeat clientele. We specialize in repairs, installations, and maintenance across all major HVAC brands, supported by a commitment to ongoing education and industry best practices.
Services
AC Repair Heating Repair HVAC Maintenance AC Installation Heating Installation Duct System Repair Portable AC Units
Highlights and features
  • Over 40 years of combined HVAC experience in the Brazos Valley
  • Veteran-owned business committed to integrity and transparency
  • Transparent pricing with no hidden fees or upselling
  • Prompt service with two fully equipped trucks for rapid response
  • Free estimates for new HVAC installations
What people say
Professionalism, Punctuality, Responsiveness Prompt, friendly, reliable service Thorough explanations of AC conditions Same-day repairs and maintenance Highly recommended by multiple clients
Services
AC Repair
Our AC repair service addresses cooling system malfunctions with rapid diagnostics and same-day fixes. We handle refrigerant leaks, compressor issues, and thermostat failures using industry-standard tools and parts. Clients benefit from transparent pricing and warranties on repairs.
Heating Repair
We restore heating functionality through expert diagnosis of furnaces, heat pumps, and boilers. Services include motor replacements, duct inspections, and combustion efficiency testing. Our technicians prioritize safety and energy efficiency during every repair.
HVAC Maintenance
Preventive maintenance extends HVAC lifespan and improves efficiency. Our technicians clean coils, lubricate moving parts, and test electrical components. Regular maintenance reduces breakdown risks and lowers energy bills for residential and commercial clients.
AC Installation
We install energy-efficient air conditioning units tailored to property size and climate needs. Services include load calculations, ductwork assessments, and SEER-rated system recommendations. Free estimates ensure clients understand costs before installation begins.
Duct System Repair
Our team repairs and optimizes ductwork to eliminate air leaks and improve airflow. Services include sealing joints, replacing damaged sections, and installing zoning systems for uneven temperature distribution solutions.
People
Dennis Grimes
Owner
Veteran HVAC expert with over 40 years of experience in the Brazos Valley. Completed specialized training post-military service, focusing on advanced HVAC diagnostics and energy-efficient systems. Prioritizes customer education and ethical service practices.
David Galan
Co-Owner
Trained by Dennis Grimes over 20 years, David brings integrity and technical expertise to HVAC installations and repairs. Committed to maintaining family business values while adopting modern efficiency standards for residential and commercial clients.
Questions
Why do you charge a diagnosis fee for repairs?
The fee covers travel time, expertise, and a customized repair quote to ensure accurate, stress-free service tailored to your specific needs.
How often should I service my air conditioner?
Annual servicing is recommended, with twice-yearly maintenance (spring and fall) ideal for optimal HVAC performance and longevity.
Do you offer portable AC units?
Yes, we provide courtesy portable AC units during repairs while awaiting parts or new system installations, subject to availability.
What types of filters do you recommend?
We suggest 4-inch media filters for better airflow and efficiency, with monthly replacements in summer and quarterly in winter.
Can uneven room temperatures be fixed?
Yes, solutions range from duct system upgrades to resizing ductwork or adding intakes for improved airflow distribution.