Our Services

 
GREENWALD MECHANICAL CONTRACTORS
 
We are State of Ohio licensed mechanical contractors providing installation, repair, testing and service contracts in the following areas:
FIRE SPRINKLERS - wet, dry, deluge, fire pump, standpipe systems, underground & aboveground
BOILERS - steam, hot water, hot oil, pumps, feedwater, heat exchanger systems
PLUMBING - hot water tanks, water, sewer, gas and air lines
PRESSURE PIPING - carbon steel, stainless steel, plastic  
 
 
CLEVELAND BACKFLOW COMPANY
 
We are a Cleveland-based company that provides installation, repair, testing, surveys, service contracts with regard to domestic water line backflow devices.
We have a large customer base that has chosen us to provide their yearly backflow testing.
 
 
 
 
   
GREENWALD - INDUSTRIES
 
We are supplying new hot water and steam boilers for the laundry, laundromat, restaurant, car wash, and the ionized water company industries.
 
Our Current Inventory:
TANKLESS WATER HEATER PACKAGES complete with pumps, controls, water and gas manifolds. Units available with quick disconnect components, or skid-mount single point connections.
COPPER TUBE BOILER PACKAGES for instant heat and snow melt systems.
STAINLESS HEAT EXCHANGER/TANK MODULAR PACKAGES for ionized water supply systems.
   
NORTH AMERICAN BOILER COMPANY
 
We are supplying used hot water and steam boilers for apartment buildings, commercial and industrial concerns.
 
Our Current Inventory:
 
1- North American, 180 psi, 200 hp, updated controls, good condition
3 - North American, 150 psi, 150 hp, original rebuilt controls, all in excellent condition
 
 
 
GREENWALD SURPLUS SALES
 
We are providing new and unused HVAC equipment including boilers, air conditioners, tanks, pumps, shelving, electrical parts, etc.
 
Our Current Inventory:
BOILERS
TANKS
AIR CONDITIONERS
FURNACES
BURNERS
REFRIGERATION SUPPLIES
ELECTRICAL PARTS
TUBE FITTINGS