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ALL SYSTEMS HEATING AND COOLING
Mitsubishi Mini-Split Repair In Dutchess County
Mitsubishi mini-split systems demand specialized diagnostics and repair expertise that general HVAC contractors often lack. We handle compressor failures, refrigerant leaks, blower motor issues, and seasonal performance drops on Mitsubishi units installed by us or other contractors. Our repair process includes comprehensive system diagnostics using specialized equipment to identify the exact failure point before recommending a repair or replacement path.
Why Choose All Systems for Mitsubishi Mini-Split Repair In Dutchess County
When a Mitsubishi mini-split stops heating or cooling properly, the problem could be anywhere in the system: a refrigerant charge that has dropped due to a slow leak, a compressor that has failed internally, a blower motor that has burned out, or a control board malfunction. We start every repair with a full diagnostic using a manifold gauge set to measure refrigerant pressure and temperature at key points in the system. / We then perform electrical tests on motors, capacitors, and circuit boards to isolate whether the failure is mechanical or electrical. Once we identify the root cause, we present the repair cost and the replacement cost so you can make an informed decision. For refrigerant leaks, we use nitrogen pressure testing and ultraviolet dye injection to locate the leak site, repair it, evacuate the system with a vacuum pump to remove moisture, and recharge with the correct refrigerant type and amount. / For compressor or motor failures, we discuss whether repair makes financial sense given the age and remaining warranty on the unit. If we recommend repair, we order the OEM Mitsubishi part, perform the replacement with full system testing, and verify performance against the manufacturer specification before we leave your home.
Manifold Gauge Diagnostics
We use pressure and temperature gauges at the service ports to measure refrigerant charge level, superheat, and subcooling. These readings tell us whether the system has a leak, whether the charge is correct, and whether the compressor is operating under proper load. Incorrect pressure readings often point to a specific failure mode: low pressure on both sides suggests a leaking charge, high head pressure with normal suction suggests a clogged condenser, and abnormal superheat suggests a failing compressor or expansion valve.
Electrical Failure Isolation
Mini-split systems have multiple electrical components: compressor contactor, reversing valve solenoid, indoor blower motor, and outdoor fan motor, plus control boards on both the indoor and outdoor units. We test each component individually with a multimeter to verify proper voltage and continuity, then replace only the failed part rather than guessing or replacing the entire board.
Refrigerant Evacuation and Recharge
Repairing a mini-split with a refrigerant leak requires us to remove all remaining refrigerant using a recovery machine, pull a deep vacuum to remove moisture that will corrode internal components if left inside, and then charge the system with the exact amount of refrigerant specified by Mitsubishi for your model. Skipping the vacuum step or overcharging is how inexperienced contractors ruin systems.
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About Our Mitsubishi Mini-Split Repair In Dutchess County Services
All Systems has been serving Dutchess County and Ulster County for over two decades with Mitsubishi installation and service expertise. We hold Bosch Gold Pro dealer status, which reflects our technical training and installation standards, and we apply that same methodical approach to Mitsubishi diagnostics and repair. Whether your system is five years old or fifteen, we service Mitsubishi units installed by any contractor, and we keep OEM parts in stock to minimize your downtime.
who we are
All Systems Heating & Cooling is a local family-owned & operated HVAC company based in Poughkeepsie, NY. For over 20 years, serving Dutchess County and the greater Hudson Valley with reliable heating and cooling work. Handling installation, maintenance, and repair for homes and small businesses.
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ALL SYSTEMS HEATING & COOLING
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All Systems Heating and Cooling is committed to client satisfaction.
MINI SPlITS Installation
All Systems Heating & Cooling specializes in the professional installation of ductless mini-split systems, perfect for customized temperature control without the need for bulky ductwork. Our skilled team installs these energy-efficient systems with precision, providing targeted heating and cooling for specific zones or rooms. Whether upgrading a single area or outfitting an entire property, our mini-split installations offer quiet, efficient operation and optimal climate control for year-round comfort.
HEAT PUMP Installation
We expertly install high-performance heat pumps, designed to provide both heating and cooling in a single system. Our heat pumps operate efficiently by transferring warmth rather than generating it, saving you on energy bills while keeping your space comfortable all year long. From homes to light commercial properties, All Systems Heating & Cooling ensures every heat pump installation is done to maximize efficiency, performance, and long-term reliability in all weather conditions.
OIL TANK Installations
For those seeking reliable, consistent heating, All Systems Heating & Cooling offers professional boiler installation. We install a range of high-efficiency boilers, including gas, oil, and electric options, tailored to meet your heating demands. Our team ensures each boiler is integrated seamlessly with your property’s heating infrastructure, providing even warmth throughout every room. With a focus on energy efficiency and durability, our installations offer a worry-free heating solution for the coldest months.
Other Services
"Incredible experience with these guys from All Systems. High quality work and got it done extremely quick and efficiently. I wouldn't use or recommend anyone else to my family and friends. These guys are the absolute best in the business."
- Paul Latino
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"They were able to come sooner than first anticipated, were neat, polite and professional. A true pleasure to have in my home for the 5 hours or so. Thoroughly explained what was being replaced, did not speak condescendingly, listened to my concerns. I would highly HIGHLY recomend them."
- Thomas S.
"On time Competent and thorough. Took shoes off entering house. Anthony White, owner of All Systems is always on the job along with a competent, personable assistant (Who has worked with Anthony for a number of years) Mr. White installed our central AC system in our Cape Cod style house and did a fantastic job.....we have been loyal customers ever since (approx. 10 years now)"
- Roger J.
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