Air Conditioning and Heating Specialists
Reliable Comfort
Starts with the Right Installation
At Carnell HVAC, we don’t just install systems—we build long-term comfort solutions for your home or business. Whether you’re upgrading an outdated unit or installing a brand-new system, our team ensures every installation is done with precision, efficiency, and care.
From heat pumps to mini splits and full HVAC systems, we deliver installations that are built to last and designed to perform.






HVAC Systems Built for Reliable Year-Round Comfort
Carnell HVAC installs high-quality heating and cooling systems for homes, businesses, and multi-unit properties throughout Rhode Island and Massachusetts.
Central Air Conditioning Systems
Complete AC installations designed to keep your property cool, comfortable, and energy-efficient during the hottest months.
Heating Systems
Professional installation of dependable heating equipment to help keep your space warm, safe, and comfortable when temperatures drop.
Heat Pump Systems
Efficient heating and cooling solutions that provide year-round comfort while helping reduce energy waste.
Ductless Mini Split Systems
Flexible comfort for additions, offices, finished basements, garages, and rooms without existing ductwork.
Ductwork & Ventilation
Properly designed ductwork and ventilation improvements for better airflow, comfort, and indoor air quality.
Thermostats & Smart Controls
Modern thermostat and smart control installations that make it easier to manage comfort, scheduling, and energy use.
Not Sure Which System Is Right?
Our team can evaluate your space and recommend the best installation option based on comfort needs, efficiency goals, and budget.
- Quality heating & air conditioning solutions
Professional HVAC Installation From Start to Finish
At Carnell HVAC, we make the installation process simple, transparent, and stress-free. From the first inspection to final system testing, every step is handled with precision, care, and long-term performance in mind.
In-Home Evaluation
We assess your current setup, square footage, insulation, and airflow to determine the best HVAC solution for your space.
System Design & Recommendation
We design a properly sized system tailored to your home or business to maximize efficiency, comfort, and long-term performance.
Professional Installation
Our technicians install your system cleanly and efficiently, following best practices and all local code requirements.
Testing & Optimization
We test airflow, system performance, and calibration to ensure everything runs perfectly from day one.
Final Walkthrough & Support
We walk you through your new system, answer your questions, and make sure you feel confident before we leave.
Ready to Upgrade Your Comfort?
Contact Carnell HVAC today for a professional installation quote serving Rhode Island and Massachusetts.
Call Now: (401) 612-8648