Cooling Without Ductwork
Room-by-room air conditioning in older homes, additions, finished attics and garages — no ducts, no demolition.

BRADY MECHANICAL
HVAC & Plumbing · Pepperell, MA
Upgrade your home comfort with expert mini split and heat pump installation. Brady Mechanical delivers honest recommendations and quality workmanship backed by nearly 20 years of experience.

Room-by-room air conditioning in older homes, additions, finished attics and garages — no ducts, no demolition.
Mitsubishi Hyper Heat systems keep producing heat well below zero, so you can cut back on oil and propane all winter.
High-efficiency inverter systems paired with available Mass Save rebate programs make the upgrade far more affordable.




Free In-Home Estimate
We walk your home, measure the load and show you exactly what equipment fits — no pressure, no upsell.
Straightforward Written Quote
Honest upfront pricing with equipment, line-set routing and rebate paperwork spelled out.
Clean, Careful Installation
Floors covered, work area protected, and everything cleaned up like we were never there.
Startup & Walkthrough
We commission the system, register the warranty and show you how to run it efficiently.
★★★★★ 5.0 Star Rated · Based on Verified Google Reviews
“We hired Brady Mechanical to clean and perform maintenance on our mini split systems. Patrick was very professional, arrived on time, and walked me through every step. Now we have spotless systems!”
“Patrick was professional, courteous, and incredibly responsive. He arrived promptly, gave me an honest and fair assessment, and completed the repair in a very timely manner.”
“From start to finish it was a great experience. They took extra care to cover our flooring and when it was completed they cleaned up and you didn't know they were there.”
Straight answers to the most common questions about ductless mini split and heat pump installation.
Yes. Brady Mechanical installs ductless mini split and heat pump systems for residential homes.
Mini splits can be a great option for homes without existing ductwork, additions, finished basements, home offices, older homes, or rooms that are difficult to heat and cool with a traditional HVAC system.
We'll evaluate your home and recommend a system based on comfort needs, layout, efficiency, and budget.
A ductless mini split is a heating and cooling system that does not require traditional ductwork.
The system typically includes an outdoor heat pump connected to one or more indoor units. Each indoor unit can control the temperature of the space or zone it serves.
Mini splits provide efficient heating and air conditioning while allowing individual temperature control in different areas of the home.
Yes. Modern cold-climate heat pumps can provide efficient heating even during cold New England winter temperatures.
The right system depends on the home, heat loss, equipment sizing, and the specific heat pump being installed.
Brady Mechanical evaluates each application to determine whether the mini split should be used as supplemental heating or as a primary heating system.
Yes. A heat pump mini split provides both heating and cooling from the same system.
During the summer, it operates as an air conditioner. During colder weather, the system reverses operation and transfers heat into the home.
This allows one system to provide year-round comfort.
The number of indoor units depends on the layout of the home and how you want the system to operate.
We consider factors such as:
Some homes may only need one or two indoor units, while others may benefit from a multi-zone system.
Mini splits should be sized based on the heating and cooling requirements of the space rather than simply using square footage.
Brady Mechanical evaluates the home, room sizes, insulation, windows, exposure, and other factors that affect heat gain and heat loss.
Correct sizing is important for comfort, efficiency, humidity control, and equipment life.
Yes. That is one of the biggest advantages of ductless mini splits.
Because they do not require large supply and return ducts, mini splits are often an excellent option for older homes, homes with boilers, additions, finished spaces, and other properties where installing traditional ductwork would be difficult or expensive.
There are several indoor-unit styles available depending on the application.
Options may include:
The best option depends on the room layout, available installation space, appearance preferences, and heating and cooling requirements.
Installation time depends on the number of indoor units and the complexity of the project.
A simple single-zone system may be completed relatively quickly, while a multi-zone or whole-home installation may require several days.
Before work begins, Brady Mechanical will review the proposed system, installation locations, and expected scope of work with you.
Yes. Modern inverter-driven mini split heat pumps can be highly efficient because they adjust their output based on the heating or cooling demand instead of repeatedly turning fully on and off.
Efficiency varies by equipment model and installation.
Proper sizing, installation, refrigerant piping, airflow, and system setup are all important to achieving good performance.
In some homes, yes.
A properly designed cold-climate heat pump system may be capable of providing most or all of a home's heating needs.
Whether complete replacement makes sense depends on the home's heat loss, insulation, layout, electrical capacity, existing heating equipment, and the specific heat pump selected.
Brady Mechanical can evaluate the home and explain whether full replacement, supplemental heating, or a hybrid approach makes the most sense.
Mini split pricing varies depending on the equipment and installation.
Important factors include:
Brady Mechanical provides clear project pricing after evaluating the home and determining the correct system for the application.

Get expert recommendations, honest pricing, and professional installation backed by over 20 years of HVAC and plumbing experience — plus $1,000 off qualifying Mitsubishi heat pumps for a limited time.
Serving Pepperell, Groton, Townsend, Dunstable, Ayer, Littleton & surrounding towns