About Us

25 Years
Experience

London, OH AC & Heating Team

Your London, OH HVAC Repair & Installation Experts Serving 43140 Homes

Ohio Heating, Cooling & HVAC System Service Company delivers Emergency HVAC Repair and Installation Services London, OH — Rapid Relief for homeowners and businesses facing sudden heat loss, broken air conditioners, or unsafe ventilation. Our team understands the stress of an HVAC emergency and responds quickly with expert diagnostics and transparent solutions to restore comfort and safety in your home or workplace.

24/7 rapid-response technicians available for emergency HVAC repair and installation needs.
Same-day diagnostics and clear, upfront pricing to remove guesswork and hidden costs.
Licensed, insured HVAC professionals trained on furnaces, heat pumps, and air conditioning systems.
Comprehensive system replacement and energy-efficient installation options to lower utility bills.
Preventive maintenance plans that catch problems early and extend equipment life.
Residential and commercial service flexibility, including HVAC zoning and rooftop unit expertise.
Satisfaction guarantee with manufacturer-backed warranties and quality installation standards.

Our Main Services

Emergency HVAC Repair
We provide immediate troubleshooting and repair for failed furnaces, air conditioners, heat pumps, and ventilation systems. Our technicians use modern diagnostic tools to identify root causes and implement durable fixes that restore comfort fast.

HVAC Installation & System Replacement
When repair isn’t enough, we recommend and install energy-efficient systems sized for your property’s load and comfort goals. Installations include high-efficiency furnaces, central air conditioners, ductless mini-splits, and heat pump solutions with full warranty and performance testing.

24/7 Rapid Response & Same-Day Service
Our dispatch team prioritizes emergency calls and routes certified technicians for same-day or overnight service in London, OH. We keep stock of common replacement parts and maintain mobile diagnostic units to minimize downtime and get your system running sooner.

Preventive Maintenance & Tune-Ups
Routine maintenance reduces emergency breakdowns and preserves energy efficiency, especially before peak heating or cooling seasons. Our maintenance visits include system cleaning, airflow checks, refrigerant inspection, safety testing, and performance reporting to prevent surprises.

Indoor Air Quality & Ventilation Upgrades
We address poor airflow, humidity imbalance, and contaminant concerns with whole-home filtration, UV germicidal lights, humidifiers/dehumidifiers, and balanced ventilation solutions. Improving indoor air quality not only enhances comfort but also protects health and reduces long-term system strain.

What Our Customers Say

“Ohio Heating, Cooling & HVAC System Service Company arrived within an hour and fixed our furnace during a cold snap; professional, honest, and calm under pressure.”
“We had a complete system replacement after repeated failures and the new heat pump lowered our energy bills noticeably—installation was clean and efficient.”

“After a midnight AC breakdown, the technician restored cooling and explained the issue clearly, avoiding a costly unnecessary replacement.”
“The maintenance plan has kept our commercial rooftop units reliable and extended their life, saving us downtime and unexpected expenses.”

We are proud to serve homeowners and businesses across London, OH and greater Ohio with trusted Emergency HVAC Repair and Installation Services London, OH designed for urgent comfort and long-term reliability. Ohio Heating, Cooling & HVAC System Service Company stands behind every repair and installation with licensed technicians, transparent estimates, and a commitment to energy-efficient solutions that protect your family and investment. Contact us anytime for immediate assistance or to schedule a consultation.

Residential Emergency HVAC Repair & Installation Services

Get Professional Residential Local Air Conditioning and Heating Specialists Services in London, OH

Commercial Emergency HVAC Repair & Installation Services

Get Professional Commercial Local Air Conditioning and Heating Specialists Services in London, OH

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Why London, OH Picks HVAC Experts

Why Choose Us for Reliable London, OH Heating & Cooling Repairs

When your home or business faces an unexpected heating or cooling breakdown, you need more than a quick fix — you need a trusted partner who delivers fast, reliable results and stands behind their work. Ohio Heating, Cooling & HVAC System Service Company combines 24/7 emergency HVAC repair, expert HVAC installation, and proven safety standards to restore comfort quickly and keep systems running efficiently year-round.

Rapid emergency response: Certified technicians available 24/7 for same-day diagnostics and on-the-spot repairs.
Experienced, licensed crews: Decades of combined experience with furnaces, air conditioners, heat pumps, ductless systems, and commercial HVAC.
Transparent pricing & upfront estimates: No surprise fees — clear scope, parts, and labor before work begins.
Code-compliant installations: Installations meet Ohio building codes, energy-efficiency standards, and manufacturer warranties.
Energy-efficient solutions: We recommend and install high-efficiency models and smart thermostats to lower utility bills and improve comfort.
Preventive maintenance plans: Regular tune-ups that reduce emergency callouts and extend equipment life.
Insurance & safety-first approach: Fully insured crews using best practices for gas safety, refrigerant handling, and electrical work.

Most Viewed Customer Reviews

Michael R. — Emergency furnace repair, Cleveland, OH
“They arrived within an hour during a winter freeze, diagnosed a failed ignition, and had heat restored the same day. Clear pricing and honest advice about replacement options.”
Sofia L. — AC compressor replacement (emergency), Columbus, OH
“Our office was sweltering before a big meeting. Ohio Heating, Cooling & HVAC System Service Company replaced the compressor overnight and followed up with a system check to prevent future failures.”
Daniel & Priya S. — Heat pump installation (emergency replacement), Akron, OH
“After our old unit failed mid-season, they recommended an energy-efficient heat pump, handled permits, and completed the install quickly. Monthly energy bills already dropped.”

We understand Ohio’s extremes — from subzero winter nights to humid summer afternoons — and tailor solutions for Cleveland, Columbus, Akron, Dayton, and surrounding communities. Our team is familiar with regional utility programs, local permitting, and common system issues tied to Ohio’s climate, helping you choose the right equipment and incentives.

Call us now at (888) 550-1280 or schedule a consultation to get immediate help from Ohio Heating, Cooling & HVAC System Service Company — fast, certified, and ready to restore your comfort.

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Licensed & Insured

Expert Team

24/7 Support

Heat and Cool System Repair London, OH Reviews

What London, OH Homeowners Say About Our Trusted HVAC Services

Sample customer review (fictional): I called Ohio Heating, Cooling & HVAC System Service Company late one freezing evening when my furnace died in London, OH. Their 24/7 emergency HVAC repair line answered immediately and a licensed technician arrived within an hour. As a homeowner, my biggest pain point was the sudden loss of heat and the worry about a cracked heat exchanger or failed blower motor — they diagnosed the issue quickly, replaced a faulty ignition control, and had the furnace back online the same day. Beyond the emergency furnace repair, they also handled a full HVAC system installation a few weeks later when we decided to upgrade to a high-efficiency heat pump and new programmable thermostat. The installation crew explained SEER ratings, refrigerant management, ductwork sealing, and indoor air quality improvements so I understood the long-term energy savings. Their transparent estimate covered parts, labor, and warranty for both the emergency repair and the new system installation. Communication was clear, the technicians were professional, and they offered preventive maintenance plans to avoid future emergency calls. If you need same-day AC repair, emergency HVAC service, or a complete HVAC installation in London, OH, I’d recommend Ohio Heating, Cooling & HVAC System Service Company for dependable service, knowledgeable technicians, and fair pricing. They solved my immediate emergency and set us up with a more reliable, energy-efficient heating and cooling system.

Ethan Pierce

London, OH

I found Ohio Heating, Cooling & HVAC System Service Company while searching “Emergency HVAC Repair and Installation Services London, OH” after my furnace failed on a cold night. Their website was easy to navigate, with clear service pages for emergency repair, furnace and AC installation, thermostat setup, and ductwork inspection. I called the 24/7 hotline and a licensed technician arrived within an hour — fully uniformed, certified, and COVID-safe. They quickly diagnosed a faulty ignition control, explained repair vs. replacement options, and provided a transparent written estimate before starting work. The team used OEM-quality parts, tested the system thoroughly, and calibrated the thermostat and safety switches. I appreciated their attention to permits and code compliance for the new unit, plus a readable warranty and follow-up maintenance plan. Communication was excellent: text updates, an on-site checklist, and an emailed receipt with photos. Pricing felt fair compared to other local quotes, and there were no surprise charges. For anyone needing emergency HVAC, heating, cooling, furnace repair, or system installation in London, OH, Ohio Heating, Cooling & HVAC System Service Company delivered prompt response, professional technicians, and reliable workmanship. I’ll call them again for annual maintenance. Highly recommended.

Henry Quinn

London, OH

I recently needed emergency HVAC service in London, OH, and Ohio Heating, Cooling & HVAC System Service Company delivered professional, reliable support when it mattered most. Their 24/7 emergency response was fast — a licensed technician arrived promptly, performed a thorough diagnostic using industry-standard tools, and clearly explained the issue with the furnace and control board. I appreciated the transparent estimate, options for repair versus replacement, and the emphasis on energy-efficient solutions. They handled refrigerant recovery, leak detection, and safety checks with care, and completed the repair the same day. For a later AC replacement, their team conducted proper load calculations, recommended an appropriately sized, high-SEER system, and coordinated permits and disposal. The installation crew sealed ductwork, installed a programmable thermostat, and tested system balance and airflow. Post-service, indoor air quality improved and my utility costs decreased. Ohio Heating, Cooling & HVAC System Service Company also offered a practical maintenance plan with seasonal tune-ups, filter recommendations, and documented service records — helpful for prolonging equipment life and maintaining manufacturer warranties. Their technicians were courteous, NATE-style knowledgeable, and focused on clear communication and safety. For homeowners or businesses in London, OH facing an HVAC emergency or planning an installation, I recommend their dependable, transparent service.

Curtis Adams

London, OH