Dagsboro, DE
Dagsboro, DE, has a certain charm that's hard to put into words, but nothing is charming about a broken furnace in February or an air conditioner gasping through a humid Delaware summer. Custom Mechanical has been the Delmarva region's trusted name in heating and air conditioning since 1981, bringing over decades of hands-on expertise to homeowners who expect more than a quick fix. We know this area, we know its weather and we know exactly what it takes to keep your home comfortable all year.
Keep Your Furnace Operating Safely With Heating Repair in Dagsboro, DE
Sussex County winters may not rival the Arctic, but damp, bone-chilling cold is a reality from November through March in Dagsboro, DE. A furnace that hesitates, cycles too frequently or fails to reach your set temperature is signaling trouble, and ignoring those warning signs almost always leads to a more expensive heating repair down the road. Custom Mechanical's licensed service technicians service and repair all major furnace brands, pinpointing problems like cracked heat exchangers, faulty ignitors and failing blower motors before they strand your family in the cold. Fast response times and fully stocked service vehicles mean most heating repairs are handled on the very first visit.
Maximize Efficiency With a Heat Pump Installation in Dagsboro, DE
For Dagsboro, DE, homeowners looking to modernize their heating and air conditioning setup, a high-efficiency heat pump offers a compelling combination of year-round comfort and serious energy savings. Unlike traditional systems that generate heat, heat pumps transfer it, making them up to three times more energy efficient than conventional electric resistance heating. Custom Mechanical is experienced in sizing, installing and servicing heat pumps from all leading manufacturers, including Carrier. Our service technicians assess your home's specific needs, recommend the right system and handle the entire installation from start to finish. The result is a quieter, more efficient home that stays comfortable whether Dagsboro, DE, is baking in August or bracing against a January nor'easter.
Stay Ahead of HVAC Breakdowns With a Custom Mechanical Service Plan
The most expensive air conditioning repair is the emergency call you never saw coming. Custom Mechanical's preventive maintenance plans are designed to eliminate that scenario, giving Dagsboro, DE, homeowners scheduled, thorough system check-ups that catch wear and inefficiency before they escalate. Homes experience fewer breakdowns but also benefit from lower monthly energy bills and longer equipment lifespans.
Don't wait for your HVAC system to wave a white flag. Call Custom Mechanical today to schedule heating or air conditioning service in Dagsboro, DE.
Recent Jobs and Reviews in Dagsboro, DE
Job Locations and Reviews
Completed cooling maintenance visit on two HVAC systems, including one ductless unit. Performed electrical diagnostics on outdoor condensing unit using clamp meter, verifying amperage draw and system performance. Inspected internal components including capacitor, wiring connections, and control board for proper operation and wear.
Responded to no cooling complaint at residence with new homeowners unfamiliar with system operation. Upon arrival, performed complete system diagnostic including inspection of outdoor contactor unit which showed significant age-related wear, corrosion, and deteriorated wiring insulation. Verified electrical panel breaker configuration and proper circuit protection. Educated homeowner on air filter location, proper sizing, and routine maintenance requirements for their HVAC system to ensure optimal performance and longevity.
Completed preventive maintenance cooling visit on multiple HVAC systems. Performed comprehensive Cool Check inspection, verified thermostat operations showing proper temperature control and system functionality with units cycling correctly between heating and cooling modes. Installed case of 23x20x1 filters across systems as specified from previous service visit, ensuring proper airflow and filtration for optimal system performance.
Conducted site evaluation for mini split installation to address inadequate airflow in upstairs rooms. Assessed exterior wall locations for outdoor condenser placement and interior spaces for indoor air handler positioning. Documented existing HVAC system configuration and identified suitable mounting locations to improve temperature control and air distribution in affected areas.
Completed scheduled cooling maintenance visit. Discussed air filter replacement needs with property owner, who requested 6x14x1 filters; customer will purchase filters independently and contact office if assistance with ordering is needed in the future. Verified thermostat operation showing system in heating mode with proper temperature display and controls functioning normally.
Completed preventative maintenance cool check on two HVAC systems. Performed electrical diagnostics using clamp meter, recording amperage draw of 6.41A on compressor circuit. Inspected electrical connections, capacitor, and wiring integrity within condensing unit. Applied foil-grip mastic sealant to ductwork connections as needed. All systems operational and running within normal parameters upon completion.
Performed routine maintenance inspection on wall-mounted tankless water heater unit. Accessed internal components by opening front service panel and conducted thorough examination of burners, heat exchangers, electronic controls, and electrical connections. Inspected gas supply connections including regulator and pressure valve, verified integrity of copper piping, brass fittings, and flexible supply lines, and confirmed all shut-off valves were functioning properly. Unit operating within normal parameters with no issues identified.
Responded to service call for electric tanked water heater leaking from lower access panel in mechanical room. Upon inspection, identified active leak originating from bottom heating element or drain valve area. Replaced defective water heater unit with new electric tanked model, including installation of expansion tank, connection of copper supply lines, and flexible metallic conduits for electrical service. Tested all connections for proper operation and verified no leaks present upon completion.
Diagnosed loud squealing noise from 10-15-year-old 3-ton HVAC system. Inspection revealed significant rust and oxidation on mechanical components. Determined undersized ductwork combined with operation during cooler outdoor temperatures was causing low suction pressure, resulting in system freezing. Advised customer to monitor performance during hotter weather and consider mini-split installation as a future solution to eliminate package unit, furnace, and problematic ductwork.
Conducted site assessment for package unit reinstallation. Observed significant issues with existing installation including improper sealing between unit housing and wall (excessive expanding foam application with discoloration indicating possible moisture intrusion). Documentation of current conditions completed with detailed photography to support comprehensive reinstallation quote.
Successfully installed a Rinnai RE199iP LP tankless water heater with all necessary components including service valve kit, horizontal termination kit, expansion tank, and required brass/black iron fittings. Completed proper venting with PVC pipes and connected unit to existing water lines with appropriate valves. System was tested and confirmed operational with temperature set to 120°F.
Successfully replaced existing HVAC system with a new American Standard 3-ton 17 SEER heat pump (5A6H7036) and variable speed fan coil unit (5TEM6D04) with 15KW auxiliary heat package. Installation included complete removal of old equipment, mounting the outdoor unit on pressure-treated wood platform, installing the indoor unit with proper drainage, reconnecting to existing EccoBee thermostat, and full system commissioning with refrigerant line flushing, pressure testing, and charging.
Responded to no hot water complaint. Upon inspection of the water heater, found the unit installed in a utility space with proper venting and insulation intact. Observed exhaust duct and PVC piping connections in good condition. Service restored hot water functionality.
Completed warranty service call for S9V2B080U4VSBBAS furnace (serial #25085XFAKG). Replaced defective motor under year 1 warranty coverage. Removed old motor to be returned to supply house as required by warranty terms.
Conducted attic inspection through access hatch to evaluate system replacement requirements. Observed green insulation board and existing construction materials in attic space. Documented current conditions with photographs to support comprehensive HVAC replacement estimate.
Responded to no heat call for system 10+ years old. Diagnosed faulty limit switch causing system shutdown during heating cycles. Replaced limit switch, cleaned flame sensor, and checked thermostat operation - system now functioning properly with consistent flame and normal cycling.
Responded to no heat complaint following power outage. Inspection revealed water damage in attic affecting PVC condensate drain connection, which had leaked onto OSB flooring. Repaired damaged pipe connection and verified system operation restored.
Performed scheduled heating maintenance on two systems. Conducted combustion analysis on primary system with readings showing 96.3% efficiency, 12.4% O2, 17ppm CO, and 5.6% CO2 at 89°F stack temperature. Second system (heat pump) was found with significant frost buildup on outdoor unit, indicating potential refrigerant or defrost cycle issues.
Successfully installed a Mitsubishi mini-split system with outdoor condenser unit mounted on a wooden platform. Completed all necessary electrical connections through junction box and ran refrigerant lines to the interior. System was properly staged prior to installation and thoroughly tested for optimal performance.
Completed full HVAC system replacement including removal of old equipment and installation of new S9B1B080U4P furnace with drain pan and shut-off, 5TXCB0O3 coil, and 5A7A4036 3-ton air conditioner on pressure-treated wood platform with drain pan. Installed T-6 non-WiFi thermostat, performed system flush, pressure tested and recharged refrigeration lines, and installed electrical whip and disconnect.