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Precision That Drives Efficiency

HVAC systems rely on accurate airflow, pressure, temperature, and humidity monitoring to function at their best. When sensors drift out of calibration or instruments lose accuracy, it can lead to higher energy costs, poor system performance, and compliance issues. That’s why top HVAC engineers, facility managers, and technicians trust Alpha Controls as their precision partner. 
 

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Alpha Lab 181

Reliable HVAC Instrumentation & Calibration for Peak Performance

Alpha Controls delivers high-precision instrumentation and accredited calibration services that help HVAC systems operate at peak performance. Supporting efficiency, safety, and compliance, our solutions enable reliable, data-driven decision-making across commercial buildings, industrial ventilation systems, and controlled environments such as cleanrooms and laboratories.

Discover More About HVAC and Building Automation with Brand's Brands

How a Simple Temperature Switch Can Save You from Major Downtime - Brand's Brands Episode 33

Best Practices: Refrigerant System Evacuation with NAVAC - Brand's Brands Episode 22

The 3 Most Popular Methods for Calibrating Your Humidity Sensors - Brand's Brands Episode 13

Highlighted Brands

Accutools

AccuTools

AccuTools was founded to fill a void in the development of new and innovative products in the HVAC/R, automotive diagnostics, and test instrument markets. Their trademarked...

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Dwyersquare

Dwyer

Dwyer is a global leader in designing and manufacturing innovative controls, sensors and instrumentation solutions. That's because they work tirelessly to get it right -...

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Setra Systems 01001 original

Setra Systems

Founded in 1967, Setra Systems, Inc. is a leading designer and manufacturer of pressure, acceleration, and weight sensing devices. Setra has devoted its engineering and...

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Bacharach

Bacharach

Bacharach is a global leader in the design, manufacture, and service of gas detection, monitoring and analysis instrumentation for the HVAC and refrigeration industries. ...

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Ee logo

E+E Elektronik

E+E Elektronik specializes in the development and production of sensors for measurement of relative humidity, CO2, air velocity, mass flow and humidity calibration systems. E+E...

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Fluke 01020 original

Fluke

Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software. Fluke's test and measurement line includes...

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Highlighted Services

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Calibration

Trust Alpha Controls for precise, reliable calibration services that keep your measurements accurate and compliant. With decades of expertise, we deliver confidence and...

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Want to Extend the Life of Your Validation Equipment

Validation

Compliance Without the Hassle. Leave Validation to the Experts. When regulations tighten and timelines matter, you need a partner who understands both the standards and the...

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All HVAC and Building Automation Products

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A 577 34 male NPT with 90 elbow fitting 2 08766
Dwyer

A-577 3/4" male NPT with 90° elbow fitting (2)

3/4" male NPT with 90° elbow fitting (2) - PVC (Series LFMD).

Buy now!
$30.75 USD
Normally ships in 3-4 weeks
A 320 A SS Instrument Enclosure 08505
Dwyer

A-320-A-SS Instrument Enclosure

Instrument enclosure, 304SS, brushed finish, compatible with 2000 Magnehelic® gage

Buy now!
$978.00 USD
Normally ships in 3-4 weeks
DCAC04 Channel expander cable 4 ft 08647
Dwyer

DCAC04 Channel expander cable, 4 ft.

Channel expander cable, 4 ft.

Buy now!
$26.85 USD
Normally ships in 3-4 weeks
DCAC02 Channel expander cable 2 ft 08646
Dwyer

DCAC02 Channel expander cable, 2 ft.

Channel expander cable, 2 ft.

Buy now!
$21.80 USD
Normally ships in 3-4 weeks
DCAC01 Channel expander cable 1 ft 08645
Dwyer

DCAC01 Channel expander cable, 1 ft.

Channel expander cable, 1 ft.

Buy now!
$19.85 USD
Normally ships in 3-4 weeks
A 235 230 and 231 air to raise mounting kit 08477
Dwyer

A-235 230 and 231 air-to-raise mounting kit.

230 and 231 air-to-raise mounting kit.

Buy now!
$172.90 USD
A 234 222 and 223 air to lower mounting kit 08476
Dwyer

A-234 222 and 223 air-to-lower mounting kit.

222 and 223 air-to-lower mounting kit.

Buy now!
$170.35 USD
Normally ships in 3-4 weeks
A 233 220 and 221 air to lower mounting kit 08475
Dwyer

A-233 220 and 221 air-to-lower mounting kit.

220 and 221 air-to-lower mounting kit.

Buy now!
$170.35 USD
Normally ships in 3-4 weeks
A 400 DIN mounting kit 08474
Dwyer

A-400 DIN mounting kit

DIN mounting kit

Buy now!
$16.75 USD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-403 Replacement integral barb filter

Replacement integral barb filter

Buy now!
$16.75 USD
Normally ships in 3-4 weeks
A 182 Pipe Mounting Kit 08471
Dwyer

A-182 Pipe Mounting Kit

Pipe mounting kit, for 1-1/2" and 2" pipes.

Buy now!
$41.40 USD
Normally ships in 3-4 weeks
A 135 Silicone Rubber Gasket 08501
Dwyer

A-135 Silicone Rubber Gasket

Silicone rubber gasket for panel mounting (Series 2000, DM-2000, DM-1000, 605)

Buy now!
$6.45 USD
Normally ships in 3-4 weeks
A 239 Muffler 08498
Dwyer

A-239 Muffler

Muffler for Series' DCV/RDCV/RSV valves, 1/4" NPT.

Buy now!
$12.30 USD
Normally ships in 3-4 weeks
DPL6 08413
Dwyer

DPL6

Dual point level switch control box, 120 VAC.

Buy now!
$723.45 USD
Normally ships in 3-4 weeks
DPL5 08412
Dwyer

DPL5

Electrode extensions includes three 24" (610mm) electrode extensions and mounting hardware.

Buy now!
$275.85 USD
Normally ships in 3-4 weeks
PMA 10 DIN rail mounting kit for two modules 08618
Dwyer

PMA-10 DIN rail mounting kit for two modules.

DIN rail mounting kit for two modules.

Buy now!
$45.60 USD
Normally ships in 3-4 weeks
PMA 09 Snubber 08617
Dwyer

PMA-09 Snubber.

Snubber.

Buy now!
$31.60 USD
Normally ships in 3-4 weeks
PMA 07 USB to RS 422485 isolated converter 08616
Dwyer

PMA-07 USB to RS-422/485 isolated converter.

USB to RS-422/485 isolated converter.

Buy now!
$672.80 USD
Normally ships in 3-4 weeks
A 962 20 packard cable 08606
Dwyer

A-962 20' packard cable

20' packard cable

Buy now!
$34.70 USD
Normally ships in 3-4 weeks
A 961 9 packard cable 08605
Dwyer

A-961 9' packard cable

9' packard cable

Buy now!
$33.00 USD
Normally ships in 3-4 weeks
A 960 3 packard cable 08604
Dwyer

A-960 3" packard cable

3' packard cable

Buy now!
$28.80 USD
Normally ships in 3-4 weeks
A 257 Pressure Snubber 08603
Dwyer

A-257 Pressure Snubber

Pressure snubber, 316 SS, 1/4" male/female BSPP

Buy now!
$64.05 USD
Normally ships in 3-4 weeks
A 251 Pressure Snubber 08602
Dwyer

A-251 Pressure Snubber

Pressure snubber, brass, 1/4" male/female BSPP

Buy now!
$29.95 USD
Normally ships in 3-4 weeks
A 165 Security Key 08535
Dwyer

A-165 Security Key

Security Key

Buy now!
$196.40 USD
Normally ships in 3-4 weeks
MPR N Panel Mounting Nut 08481
Dwyer

MPR-N Panel Mounting Nut

Panel mounting nut for Series MPR.

Buy now!
$7.55 USD
Normally ships in 3-4 weeks
MPR B Mounting Bracket 08480
Dwyer

MPR-B Mounting Bracket

Mounting bracket for Series MPR.

Buy now!
$28.80 USD
Normally ships in 3-4 weeks
A 332 Brass adapter 08479
Dwyer

A-332 Brass adapter

Brass adapter, 1/8" female NPT to 1/4" male NPT.

Buy now!
$5.05 USD
Normally ships in 3-4 weeks
MAC Power Supply 06841
Macurco

MAC Power Supply

115VAC, 60 Hz power supply

Starting at
$645.00 USD
Normally ships in 3-4 weeks
A 439 Weatherproof IP65 cover 08597
Dwyer

A-439 Weatherproof IP65 cover.

Weatherproof IP65 cover.

Buy now!
$3.90 USD
Normally ships in 3-4 weeks
A 225 Double Column Plastic Tubing 18 ID per foot 07285
Dwyer

A-225 Double Column Plastic Tubing (1/8" ID) per foot

Flexible double column tubing is used with Mark II Manometers and the Wind Speed Indicator

Buy now!
$4.75 USD
Normally ships in 2-3 weeks
Alpha Controls logo with text stating no product image available
Dwyer

PS-801 Quick Disconnect

Quick disconnect straight through 1/4" NPT connection.

Buy now!
$29.04 USD
Normally ships in 3-4 weeks
West PO1 C50 Option Board 06351
Partlow

West PO1-C50 Option Board

SSR driver plug-in module slot 1

Call Today!
800-567-8686
Normally ships in 2-3 weeks
West PO1 C10 Option Board 06350
Partlow

West PO1-C10 Option Board

Relay output plug-in module slot 1

Call Today!
800-567-8686
Normally ships in 2-3 weeks
A TC K25 FEP K type 25 on spool 08656
Dwyer

A-TC-K25-FEP K type, 25' on spool

K type, 25' on spool, FEP insulation, 200°C, yellow outer sheath, 24 AWG, 0.20 SQMM

Buy now!
$36.65 USD
Normally ships in 3-4 weeks
A TC K25 FB K type 25 on spool 08655
Dwyer

A-TC-K25-FB K type, 25' on spool

K type, 25' on spool, fiber glass insulation, 450°C, yellow outer sheath, 24 AWG, 0.20 SQMM

Buy now!
$39.70 USD
Normally ships in 3-4 weeks
A 347 SS Stainless steel adapter 08427
Dwyer

A-347-SS Stainless steel adapter

Stainless steel adapter, 1/8" x 1-1/4" NPT.

Buy now!
$116.65 USD
Normally ships in 3-4 weeks
A 347 carbon steel adapter 08426
Dwyer

A-347 carbon steel adapter.

1/8 x 1-1/4" NPT carbon steel adapter.

Buy now!
$37.20 USD
Normally ships in 3-4 weeks
121 116 Gland Assembly 08424
Dwyer

121-116 Gland Assembly

Gland Assembly

Buy now!
$263.50 USD
Normally ships in 3-4 weeks
A 618 Protective terminal cap 08544
Dwyer

A-618 Protective terminal cap

Protective terminal cap

Buy now!
$2.50 USD
Normally ships in 3-4 weeks