Waltham colonial replaces windows units with Ductless

The homeowners of this classic colonial home in Waltham were having a common problem- their window air conditioners were noisy and expensive to run, and in the heat of the summer, they just weren't keeping the home comfortable. Waking up in the morning, hot and sticky, just to take a shower and feel as hot and sticky before going to work was getting to be a drag. Plus there's the hassle of installing window AC units in the Spring and then storing them in the Fall. You have to worry about getting them to sit properly in older, wooden windows and then make sure the water from condensation doesn't cause damage to the windows or the walls- it's no one's favorite chore.


Problem: The owners were relying on window air conditioners, but the noise and cost to run had them searching for a better solution to keep them cool all summer long.

Solution: We installed three zones of cooling comfort with Mitsubishi Ductless air conditioning to ensure that the living room, back bedroom and front bedroom had quiet, cost effective comfort that will help the homeowners sleep easier all year long.


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The homeowners gave us a call here at NETR based on out outstanding reviews to see what solutions we could offer. For homes like this one, Mitsubishi's ductless systems are a great solution. They are super-efficient heat pumps, and can provide efficient cooling (and heating), in one area or by setting up several zones in a home. The wall units are mounted up on the wall, out of the way, freeing up windows so you can actually look out them! The units are controlled by a remote, allowing you to adjust the temperature to your comfort level. The units then distribute the cool (or warm) air around the room, and monitor the room to control humidity and make sure it's comfortable throughout- something window a/c units really can't do very well. As an elite Diamond contractor, our experience and expertise in installing ductless means that the units come with a full 12 year warranty, ensuring that every homeowner gets the reliability and value they need while getting the cooling comfort they want.

ductless wall unit installed in Waltham

Our homeowners wanted to make sure they got the comfort they craved throughout their home, but they didn't want to spend a fortune in energy costs. These units are so energy efficient, they qualify for rebates through two Commonwealth programs- Mass Save and Mass CEC, that offer rebates for homeowners adding energy-efficient improvements to their home. These homeowners qualified for two rebates- $250 from Mass Save and $1489.00 from Mass CEC, for a total of over $1,700 that helped made this upgrade even more affordable.

We were able to install three wall units, creating three separate zones of comfort for the living room and two bedrooms, one at the front and one at the back of the home. Each of these units can operate independently, so you can adjust the temperature separately- and save money by not heating or cooling areas of your home not in use. So in the evening, you might want the living room cooler while watching TV, but you don't have to spend energy cooling down a bedroom for hours before you go to sleep to get the comfort you want all night long. That leads to a drastic savings in energy compared to window units right off the bat!

Mitsubishi Ductless heat pumps can also provide heat in the winter- all the way down to -13 degrees! This means the units can also be used as heaters, to take that touch of cold out of a room in the Spring and Fall, when you might ordinarily consider whether it's worth it to turn on the heat. The units are so efficient that many customers who use them for heating save as much as 40% off their energy bills the first year they have ductless! By acting as efficient air conditioning and by being able to provide a touch of heat when needed, ductless systems from Mitsubishi are the perfect way to add additional comfort to your home if you don't have central ductwork, like this home in Waltham.

Between the rebates available, fantastic warranty and energy-savings, our homeowners in Waltham got the perfect solution to keep their home comfortable every day of the year. That's a recipe for a better night's sleep for everyone!