DL Sales Products

We install HVAC filters in commercial and industrial facilities including manufacturing facilities, hospitals, office complexes, semiconductor plants, restaurants, etc. Our NAFA Certified Technicians have gone through background checks, drug testing, and are trained in all aspects of air filter installation.

Customized Filter Schedules

Our filter changing frequencies are evaluated to insure optimum filter change points. These evaluations are performed by our sales engineers who are CAFS (Certified Air Filter Specialist) by the National Air Filtration Association and our NCT (NAFA Certified Technicians) Service Technicians.

HVAC Coil Cleaning

We thoroughly and professionally clean HVAC. This ensures proper air flow and heat transfer resulting in a more efficient system and lower energy bills.

Life Cycle Costing Analysis

We provide Life Cycle Costing Analysis and Evaluation to determine ways we can help you save money on all of your filtration products. Life cycle costing includes energy savings through the use of lower initial pressure drop filters replacement cost savings through high capacity longer life filters.

Evaporative Cooler Maintenance and Installation

Including cooler start-up, winterizing, change out of Aspen Pads, rigid cooler media (DeltaDek-He), belts, pulleys, pumps, floats, etc. Installation of new coolers.

Installation of Water Filtration Systems

Filters for ice machines, soda fountains, RO filters, etc.

Chemical Free Cooling Tower Treatment

Install and monitor the performance of our Chemical Free Cooling Tower Treatment.

Heat Exchanger Cleaning

New gasketing, chemical cleaning, power washing.

Cooling Tower Cleaning

Professional Cooling Tower Cleaning.

130 N. 39th Avenue Phoenix, AZ, 85009

Phone: (602)-264-5100 Fax: (602)-241-7500

info@davedowning.com

Products & Services

AIR FILTRATION

HVAC

PAINTBOOTH FILTERS (NESHAP)

BAG & PLEATED FILTERS

HIGH EFFICIENCY MINI-PLEAT FILTERS

ANTI-MICROBIAL FILTERS

ACTIVATED CARBON FILTERS

FIBERGLASS FILTERS

AIR CLEANER FILTERS

AIR FILTER FRAMES

SIDE ACCESS HOUSINGS

HEPA & ULPA FILTERS

DEFIANT PLEATED, BAG & RIGID FILTERS

HEPA BAG IN/BAGOUT

AIR POLLUTION CONTROL & AIR CLEANING SYSTEMS

DUST COLLECTOR

CENTALIZED CARTRIDGE COLLECTORS

CYCLONE COLLECTORS

OIL MIST COLLECTOR

AIR CLEANING EQUIPMENT & SYSTEMS

Replacement Cartridges

UV Air Purification System

INDUSTRIAL BELTS

HEAVY DUTY/LIGHT DUTY

BANDED

Synchronous V-Ribbed

Specialty Belts

Pulley/Sheaves/Bushings

EVAPORATIVE COOLERS

Commercial Evaporative Coolers

Standard Aspen & Rigid Media Coolers

Stainless Steel Coolers

Replacement Parts and Pumps

EVAPORATIVE COOLER MEDIA

Cellular Media

Aspen Pads

COOLING TOWERS

COOLING TOWER TREATMENT

Chemical Free Tower Treatment

Cooling Tower Fill and Replacement Parts

HEAT EXCHANGERS

Gasketed Plate & Frame and All WeldedHeat Exchangers

Copper Brazed Evaporators, Condensers, & Process Plate Exchangers

BIO–MEDICAL FILTRATION

Filtration, Water, and Disinfection Technologies

PROCESS FILTRATION

Bag Filters & Vessels

Water Filters

Industrial Filter Elements

Coalescing Filters

Strainers

Cartridges & Housings

Oil Filters & Vessels

Separators, Steam Traps

Sand Filters & Separators

High Purity Water Filters/Membrane

Backwashing Tubular and Mechanically Cleaned Filtration Systems

High purity Chemical/Gas Filters

PUMPS

Chemical & Slurry Pumps

Thermo-Plastic Pumps

Water Pumps

Air & Diaphragm Pumps

FANS & BLOWERS

Axial, Centrifugal, Alloy, FRP & Steel

Fume Exhausters, Pressure Blowers & Radial/BI Exhausters

GAUGES & MISC.

Low Pressure Controls & Gauges

Jacketed Pipe, Duct, HEX Insulation

Conductivity Controllers

Industrial Mechanical Flow Meters

SERVICES PERFORMED