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Preventive maintenance
HVAC Maintenance
Scheduled services at least once before summer and/or before winter help to keep your HVAC equipment running at rated capacity and efficiency, catch/clear the small faults before they turn into big ones that can fail your units/factory warranty.
Your units are your properties and it is important to maintain them well, same as your vehicles and physical health. We are your equipment/maintenance doctors.
Field photos
Commercial Buildings — RTUs
Packaged rooftop units carry the cooling and heating load for most commercial buildings we service — offices, retail, restaurants and institutional space. Scheduled work covers filters and belts, condenser and evaporator coils, economizer dampers, gas heat section, condensate and roof curb, plus a refrigerant and amp-draw check on every circuit. Click any photo to view it full size.
The last image is a schematic of typical rooftop-unit internals, included for reference — it is not a JJR Mechanical field photo.
Field photos
Exhaust Fans
Roof exhaust and ventilation fans on a scheduled program — each unit tagged and its nameplate recorded, then belts, bearings, wheels, dampers and disconnects checked on every visit. Worn bearings and burnt-out blowers get replaced before a kitchen, bathroom riser or parking level loses its ventilation. Click any photo to view it full size.
Field photos
Commercial boiler plant maintenance
Firetube boiler service on a New York City plant — rear doors pulled, tube sheets opened for inspection, tubes brushed and vacuumed, burner and controls checked before the boiler is buttoned up for the heating season. Click any photo to view it full size.
Field photos
Chiller plant maintenance
Annual service on centrifugal water chillers in a New York City plant room — condenser heads pulled for tube cleaning, purge unit and controls checked, chilled water piping inspected before the cooling season. Click any photo to view it full size.
Homes & apartments
Residential Units
Scheduled service on the indoor units that heat and cool New York apartments and houses — filters, coils, blower wheels and condensate drains, cleaned before they cost the owner capacity or cause water damage.
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Tell us what your building needs.
Send drawings, a photo of your existing equipment, or just a description of the problem. We will get back to you with a clear scope and a written estimate.