Demelo Heating & Air Conditioning Inc

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Demelo Heating & Air Conditioning Inc operates from Hudson, Massachusetts, delivering heating and cooling services to communities throughout the Metrowest region and greater Boston area. The company holds a 4.3-star rating compiled from 62 client reviews, reflecting consistent service quality across residential and light commercial projects. As a certified Bryant dealership, the firm maintains access to a comprehensive catalog of heating and cooling equipment, from traditional gas furnaces and central air conditioners to advanced geothermal systems and ductless mini-split configurations.
What distinguishes Demelo Heating & Air Conditioning is its commitment to transparent recommendations and flexible problem-solving. Customer reviews note the team proposed affordable repairs where competitors pushed expensive system-wide replacements, achieving functional restored operation for a fraction of initial estimates. The company maintains in-house sheet metal fabrication capabilities alongside specialized indoor air quality solutions including air cleaners, ultraviolet purification, and whole-home zoning controls. Around-the-clock emergency availability ensures clients reach live support regardless of hour or holiday, addressing heating failures or cooling breakdowns when systems falter.
Reviewers describe specific service encounters that illustrate the company's responsiveness. One client returned home to a non-functional sink disposal mid-afternoon; the team dispatched a technician who arrived promptly, diagnosed the issue, executed repairs, and explained proper usage to prevent recurrence. Another household faced a heating emergency during the Thanksgiving weekend and accessed the company's 24-hour line for immediate assistance. A third reviewer, a business operator, received a $1,800 repair solution after competitors quoted $60,000 to $80,000 for full unit replacement, a difference that saved thousands while restoring daily operations.
What Customers Say
Five of five sampled reviewers awarded 5-star ratings, with customers specifically praising cost-effective diagnostics, responsive same-day arrival, and technician communication skills. No negative sentiment appears in the visible feedback.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| FridayToday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Heating System Installation & Replacement
New heating system design, installation, and equipment upgrades using Bryant furnaces, heat pumps, boilers, and geothermal units.
AC & Cooling Repair
Air conditioner diagnostic, repair, and replacement services for residential and light commercial cooling systems.
Preventive Maintenance & Tune-Ups
Scheduled maintenance visits designed to extend equipment lifespan and reduce unexpected failure risk.
24-Hour Emergency Service
Round-the-clock emergency availability for heating failures, system breakdowns, and urgent repairs.
Indoor Air Quality Solutions
Air cleaners, UV purification, humidifiers, and ventilation improvements for healthier home Environments.
Ductless Mini-Split Systems
Installation and service of ductless split configurations for zoned heating and cooling in homes without ductwork.
Commercial HVAC
Heating, cooling, and ventilation services for small commercial properties and business facilities.