Rehoboth Beach, DE Furnace Repair & Service
The HVAC and plumbing systems inside your home play a pivotal role in your life and providing you comfort. Custom Mechanical, a full-service contractor in Rehoboth Beach, Delaware, helps homeowners improve their quality of life by putting their comfort needs first. For more than four decades, we have continued to build on our reputation as being the best full-service contractor in Delaware.
Air Conditioning and Furnace Contractor in Rehoboth Beach, DE
Custom Mechanical recommends investing in an annual maintenance plan to ensure your air conditioner remains in good health. With an annual maintenance plan, our technicians will take care of any repairs and upkeep to ensure your air conditioner not only operates efficiently but also has a longer life.
Another benefit of an annual maintenance plan is that it'll also cover your heating system. During the cold winters in Delaware, you want to be sure you and your family are warm and cozy in your home. Keep in mind that Custom Mechanical also offers 24/7 emergency service, in case you do have a heating problem.
Plumbing Contractor in Rehoboth Beach, DE
While most homeowners leave the HVAC repairs to the professionals, many try to fix plumbing problems on their own without proper training. This can lead to a dangerous situation, where you could be risking expensive home repairs or even your health.
Custom Mechanical's technicians have the education and experience to complete any job to the highest of standards while adhering to all safety guidelines. From servicing your water heater to remodeling your bathroom, we offer a full range of plumbing services at a fair price.
Custom Mechanical's team of home service experts is proud to offer HVAC, and plumbing services to residents in Rehoboth Beach, Delaware. Whether you need a repair or a replacement, or if you just have a question, contact us today.
Recent Jobs and Reviews in Rehoboth Beach, DE
Job Locations and Reviews
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed new Lennox ML14KC1-024 2-ton 14 SEER condensing unit on pressure-treated wood platform with new outdoor disconnect and electrical whip. Installed Lennox CBK45UHET-030 air handling unit in attic space, suspended from structural framing with appropriate support chains. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork system. Reused existing condensate drain lines and power supply lines where serviceable. Installed Honeywell digital WiFi thermostat for system control. Verified proper refrigerant charge, airflow, and electrical connections. System tested and operational with one-year parts warranty coverage provided on complete installation.
Completed full residential HVAC system replacement consisting of three independent climate control systems. Removed and properly disposed of all existing equipment, then installed new Lennox systems with metal duct transitions adapted to existing ductwork while reusing existing condensation lines. **System 1 - Garage/Downstairs Main:** Installed Lennox EL297DF110XV60 97% variable speed gas furnace paired with ML14KC1-059 5-ton 14 SEER air conditioner, CK40DT-50/60C evaporator coil, LP conversion kit, and Aprilaire 2200 filtration system. Mounted Honeywell digital WiFi thermostat in downstairs hallway for zone control. **System 2 - Billiards Room Closet/Upstairs Main:** Installed Lennox EL297UH090XE48 97% ECM gas furnace with ML14KC1-048 4-ton 14 SEER air conditioner, CK40CT-48C-71 evaporator coil, LP conversion kit, and Aprilaire 2200 filter. Configured Honeywell digital WiFi thermostat for independent upstairs climate management. **System 3 - Pool Room System:** Installed Lennox ML
Completed warranty repairs on two American Standard air handler units. First repair: replaced failed EEV control board on unit model TAM9A0C36V31DAA to restore proper electronic expansion valve operation. Second repair: replaced leaking evaporator coil and tubing assembly on unit model TAM9A0C42V41DAA (system 1, right air handler in garage). Verified refrigerant charge using digital scale, confirmed proper system operation, and tested all controls post-repair.
Completed HVAC estimate for replacement of existing 2-ton Trane system originally installed in 2009. Unit located in attic with access via second-floor ceiling requiring ladder access. Assessed current outdoor condenser positioned on wooden platform with brick wall mounting and evaluated replacement options for complete system upgrade.
Responded to no cooling complaint on residential HVAC system. Upon arrival, performed diagnostic assessment using digital measurement tools to evaluate system performance. Temperature readings indicated significant differential issues, with measurements showing 12.7°F and 52.6°F at critical test points. Conducted thorough inspection of refrigeration system components and airflow parameters in attic-mounted equipment. Identified root cause of cooling failure and completed necessary repairs to restore proper system operation. Unit tested and verified return to normal cooling capacity before departure.
Completed full installation of Rinnai RX199iN1 tankless water heater system in utility room. Mounted unit to wall with proper clearances and connected to existing water supply lines using IPS service valves and copper piping with shut-off valves for isolation and maintenance access. Installed expansion tank to protect system from thermal expansion. Configured gas supply line using 3/4" x 5' flexible gas connector and black iron fittings including union, tee, reducer, nipples, cap, and brass ball valve for proper gas delivery and code compliance. Installed concentric venting system through exterior wall for combustion air intake and exhaust. Connected electrical supply and programmed unit settings. Integrated white PVC piping for condensate drainage. All connections pressure tested and verified leak-free. System activated, tested for proper operation, and confirmed adequate hot water delivery and temperature control. Installation meets manufacturer specifications and local plumbing code
Responded to no cooling complaint with ongoing freezing issues. Performed diagnostic inspection using thermal imaging camera to assess system components and refrigerant lines. Advised homeowner to ensure all supply registers remain open and unobstructed to maintain proper airflow and prevent future freeze-ups.
Responded to no cooling complaint for upstairs zone not maintaining set temperature. Accessed attic-mounted air handler to diagnose system performance issue. Inspected HVAC equipment, ductwork connections, and return air pathway. Documented existing system conditions including air handler installation, flexible duct routing, and return air grille configuration for 10+ year old system requiring further evaluation of cooling capacity and airflow distribution.
Completed scheduled cooling maintenance visit on residential HVAC system. Performed comprehensive electrical diagnostics using digital multimeter, recording voltage readings of 120.8V and 154.7V at various system components to verify proper electrical supply and operation. Inspected wiring connections, tested system performance parameters, and confirmed all cooling equipment operating within normal specifications.
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed new Carrier 59SC2E100M21 92% AFUE gas furnace with LP conversion kit, Carrier 26SCA560W003 5-ton 15 SEER air conditioning condenser, and Carrier CAAMP6121AMA evaporator coil. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork. Reused existing condensate drain lines while replacing outdoor electrical disconnect and electrical whip for code compliance. Constructed pressure-treated wood platform and positioned outdoor condenser unit with proper clearances. Installed Honeywell digital WiFi thermostat for system control. Tested all system functions including heating and cooling cycles, verified proper refrigerant charge, confirmed adequate airflow, and ensured all electrical connections meet manufacturer specifications.
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed new Carrier 27SCA524A003 2-ton 15 SEER heat pump on pressure-treated wood platform with Carrier FJ5ANXB24L00 air handler and 10kW electric heat pack in basement utility area. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork, reused existing condensate drain lines, replaced outdoor disconnect and electrical whip, and installed 14x24x1 filter grille and Honeywell TH6320WF digital WiFi thermostat for system control.
Responded to request for system replacement estimate on 15-year-old straight AC with gas furnace. Identified refrigerant leak at evaporator coil during inspection. Documented existing Lennox outdoor unit installation and captured site conditions for replacement proposal preparation.
Responded to no heat call on residential heat pump system. Performed comprehensive leak search on refrigerant system and monitored system pressures, which remained stable throughout testing period. Determined refrigerant loss was likely occurring at Schrader core valves rather than system piping or components. Replaced core valves on service ports and pressurized system to 367 psig with nitrogen for pressure decay test. System left under pressure to confirm core valves were source of refrigerant loss. Follow-up visit required to verify pressures have held, complete evacuation, recharge system with proper refrigerant, and restore heating operation.
Diagnosed failed defrost board on 2006 American Standard model 4TWR3024A1000AA heat pump system. Ordered replacement defrost control board for downstairs unit, with installation scheduled for fall per customer request. Part received and available at warehouse counter for future installation appointment.
Performed leak search on HVAC system and determined suspected refrigerant loss was likely originating from Schrader core valves rather than system components. Replaced core valves and pressurized system to 367 psig for leak verification testing. Follow-up visit scheduled to confirm pressure holding and complete system startup if no pressure drop detected.
Responded to no heat call for unit not maintaining set temperature. Performed diagnostic evaluation of HVAC system and provided customer with update on findings and recommended corrective action to restore proper heating operation.
Completed warranty work by replacing treated wood platform with ultralite pad per Association requirements. Removed and disposed of old equipment, then installed ML193UH070EX single-stage furnace with LP kit, ML14KC1-030 2.5-ton 14.3 SEER air conditioner on new platform, and CK40HT-030B horizontal coil. Furnished and installed electrical whip with disconnect, flushed and pressure tested refrigeration lines, recharged system, and installed T-6 wifi thermostat for complete system functionality.
Completed platinum membership maintenance service on two heating systems as contracted. Performed comprehensive inspection and maintenance on dual heating units, including a water heater system and LAARS boiler equipment. Inspected all piping connections, PVC routing, and corrugated flexible ducting for proper installation and functionality. Verified operation of multiple zone valves with black handles throughout the hydronic heating system. Checked all mounting brackets, fasteners, and support systems for secure installation. Examined copper fittings and composite pipe connections for signs of leaks or deterioration. Assessed condition of circulation pump and associated mechanical components on the boiler system. Both heating systems were operational at time of service and maintained proper functionality throughout inspection.
Conducted site visit to front portion of residential property to assess existing HVAC system for replacement estimate. Inspected and documented ductwork components in ceiling cavity, including insulated refrigerant lines with metallic wrap showing wear, flexible duct connections, and foam insulation at penetration points. Evaluated electrical circuit breaker panel capacity and available circuits to determine compatibility with new HVAC equipment installation requirements.