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Case Studies

Mar 13, 2025 11:30:00 AM by Logan Donahue

Transforming a Warminster, PA Sunroom into a Year-Round Room with Mitsubishi Electric Hyper-Heat

PROBLEM: Our homeowner's three-season sunroom was unusable during extreme temperatures, making it an inefficient and uncomfortable space in both winter and summer. Relying on space heaters and opening doors to the main house provided minimal relief and increased energy waste.

SOLUTION: We installed a Mitsubishi Electric Hyper-Heat pump with a single ductless indoor unit, delivering efficient, targeted heating and cooling for year-round comfort

Initial Conversation: Finding a Solution for a Challenging Space

Todd first connected with us at the Doylestown Arts Festival, where he expressed concerns about his sunroom’s inconsistent temperatures. In the summer, the room became unbearably hot, and in the winter, space heaters struggled to provide adequate warmth. His goal was to make the sunroom comfortable year-round without dramatically increasing energy bills.

Kennedy - Mitsubishi Electric Install: Mitsubishi Electric Hyper-Heat System

To solve Todd’s comfort issues, we installed a Mitsubishi Electric Hyper-Heat pump paired with a single ductless indoor unit. This system provides:

  • Precise temperature control for the sunroom, independent of the main HVAC system.

  • Energy-efficient heating in winter, even in freezing temperatures.

  • Cooling relief during the summer months.

  • A sleek, unobtrusive design that seamlessly blends into the sunroom without ductwork.

The Benefits of Ductless for Sunrooms, Additions & More

Ductless mini-splits are an ideal solution for problem areas in homes, including sunrooms, basements, garages, and home additions. Here’s why:

  • Zoned Comfort: Unlike central HVAC, ductless units allow for individualized temperature control, ensuring the perfect climate for every space.

  • Energy Savings: With high-efficiency inverter technology, these systems consume less power than traditional heating and cooling methods.

  • No Major Renovations: Ductless units require no ductwork, making installation quick and minimally invasive.

  • Year-Round Performance: Mitsubishi Electric's Hyper-Heat technology provides consistent heating even in freezing conditions, making it perfect for Pennsylvania’s winters.

  • Improved Indoor Air Quality: Advanced filtration removes dust, allergens, and other airborne particles, keeping the space clean and healthy.

Conclusion: A Comfortable & Efficient Space All Year

Thanks to the Mitsubishi Electric Hyper-Heat system, Todd’s sunroom is now a fully functional, comfortable space no matter the season. Instead of struggling with inefficient space heaters or limiting use of the room, he now enjoys energy-efficient heating and cooling that enhances both comfort and savings. Ductless mini-splits continue to be a game-changer for homeowners looking to upgrade problem areas like additions, sunrooms, and basements—offering an easy, efficient, and cost-effective solution.Contact ECI Comfort


ECI Comfort specializes in installing Mitsubishi Electric Heating and Air Conditioning Systems in Delaware Valley. If you are interested or would like to know more, click the button below or reach us at (215) 245-3200 or info@ecicomfort.com!

This entry was posted in Ductless, Hyper-Heat