# National Refrigeration: Rhode Island’s top\-rated HVAC Company > We install, repair \& maintain heating, AC, ductless mini\-splits, geothermal \& heat pumps for Rhode Island homes \& commercial spaces\. Generated by Yoast SEO v27.9, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Our Story](https://nhvac.com/our-story/) - [Contact](https://nhvac.com/contact/) - [Privacy Policy](https://nhvac.com/privacy-policy/) - [National Refrigeration HVAC and Plumbing](https://nhvac.com/) - [Testimonials](https://nhvac.com/testimonials/) - [Residential Services](https://nhvac.com/residential-services/) - [Commercial](https://nhvac.com/commercial/) - [Heating](https://nhvac.com/heating/) - [Cooling](https://nhvac.com/cooling/) - [Ductless Systems](https://nhvac.com/ductless-systems/) - [Heat Pumps](https://nhvac.com/heat-pumps/) - [Indoor Air Quality](https://nhvac.com/indoor-air-quality/) - [Plumbing](https://nhvac.com/plumbing/) ## Posts - [When Does AC Repair Become Too Expensive to Fix?](https://nhvac.com/when-does-ac-repair-become-too-expensive-to-fix/): If your air conditioner has broken down repeatedly, or the latest repair estimate feels unusually high, it’s worth taking a step back to consider whether repairing your system is the best decision\. While repairs can offer a quick and convenient solution, they are not always the most cost\-effective option in the long run\. - [Switching Between Heat \& AC: A Simple Homeowner Checklist](https://nhvac.com/switching-between-heat-ac-a-simple-homeowner-checklist/): If you’ve ever felt unsure about whether to turn on the heat or the air conditioning during spring or fall, you’re certainly not alone\. New England’s unpredictable weather can make thermostat settings feel like a guessing game during the transitional seasons\. - [The Best Place to Put a Thermostat](https://nhvac.com/the-best-place-to-put-a-thermostat/): When choosing an HVAC system and planning its installation, there’s a lot to consider\. But sometimes the smallest details make the biggest difference—and thermostat placement is a perfect example\. - [Commercial HVAC Explained](https://nhvac.com/commercial-hvac-explained/): A commercial HVAC system does far more than regulate temperature\. It protects inventory, supports employee productivity, ensures customer comfort, and—depending on the industry—plays a direct role in health and safety\. No matter the type of business, heating, cooling, and ventilation are essential to keeping operations running smoothly\. - [Mini\-Splits in High\-Ceiling Rooms](https://nhvac.com/mini-splits-in-high-ceiling-rooms/): When it comes to desirable home features, vaulted, cathedral, or double\-height ceilings are often at the top of the list\. They make a space feel open, bright, and dramatic\. However, tall ceilings also create unique heating and cooling challenges that require thoughtful HVAC design\. ## Optional - [Sitemap index](https://nhvac.com/sitemap_index.xml)