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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 HKIT 500 Pressure test plug adapter 08564
Dwyer

A-HKIT-500 Pressure test plug adapter

Pressure test plug adapter for the 490A-HKIT, 1/8" dia x 1-1/2" length (2)

Buy now!
$112.20 USD
Normally ships in 3-4 weeks
A HKIT AFIT Adapter Kit 08563
Dwyer

A-HKIT-AFIT Adapter Kit

Adapter kit, includes pairs of SAE 1/4" adapters and elbow fittings.

Buy now!
$79.45 USD
Normally ships in 3-4 weeks
A HKIT 500 XL Pressure Test Plug Adapter 08562
Dwyer

A-HKIT-500XL Pressure Test Plug Adapter

Pressure test plug adapter for the 490A-HKIT, 1/8˝ dia x 3˝ length (2 per kit)

Buy now!
$200.00 USD
Normally ships in 3-4 weeks
HM35 3 External universal power adapter 08561
Dwyer

HM35-3 External universal power adapter

External universal power adapter

Buy now!
$357.25 USD
Normally ships in 3-4 weeks
HM35 2 Infrared RS232 serial adapter 08560
Dwyer

HM35-2 Infrared RS232 serial adapter

Infrared RS232 serial adapter

Buy now!
$550.55 USD
Normally ships in 3-4 weeks
HM35 1 Communication software key 08559
Dwyer

HM35-1 Communication software key

Communication software key

Buy now!
$1,249.65 USD
Normally ships in 3-4 weeks
166 6 CF Pocket size Pitot tube 08558
Dwyer

166-6-CF Pocket size Pitot tube

Pocket size Pitot tube, 1/8" dia., 6" insertion length, 3" tip, with 1/8" male NPT compression fitting.

Buy now!
$186.90 USD
Normally ships in 3-4 weeks
SA11109 4 REPLACEMENT O Rings 07962
AccuTools

SA11109-4 REPLACEMENT O-Rings

REPLACEMENT O-Rings KF-25 (Pack of 4)

Buy now!
$19.95 USD
Normally ships in 2-3 weeks
SA11105 Clamp SPARE 07961
AccuTools

SA11105 Clamp SPARE

SPARE Clamp, KF-25 Aluminum

Buy now!
$10.95 USD
Normally ships in 2-3 weeks
200672 00 Hardware kit for MMA Flowmeter Series 08746
Dwyer

200672-00 Hardware kit for MMA Flowmeter Series

Hardware kit for MMA Flowmeter Series

Buy now!
$28.55 USD
Normally ships in 3-4 weeks
RK VFB Regulator kit for VFB 08745
Dwyer

RK-VFB Regulator kit for VFB.

Regulator kit for VFB.

Buy now!
$333.45 USD
Normally ships in 3-4 weeks
100044 00 Optional pointer flag for RMC flowmeter 08744
Dwyer

100044-00 Optional pointer flag, for RMC flowmeter

Optional pointer flag, for RMC flowmeter

Buy now!
$11.20 USD
Normally ships in 3-4 weeks
100043 00 Optional pointer flag for RMB flowmeter 08743
Dwyer

100043-00 Optional pointer flag, for RMB flowmeter

Optional pointer flag, for RMB flowmeter

Buy now!
$11.20 USD
Normally ships in 3-4 weeks
100042 00 Optional pointer flag for RMA flowmeter 08742
Dwyer

100042-00 Optional pointer flag, for RMA flowmeter

Optional pointer flag, for RMA flowmeter

Buy now!
$10.65 USD
Normally ships in 3-4 weeks
CC1 N Averaging Temperature Sensor 08703
Dwyer

CC1-N Averaging Temperature Sensor

Averaging temperature sensor clip, natural

Buy now!
$2.80 USD
Normally ships in 3-4 weeks
WP 2000 Weatherproof Enclosure 08702
Dwyer

WP-2000 Weatherproof Enclosure

Weatherproof enclosure for SL-2000 models

Buy now!
$279.50 USD
Normally ships in 3-4 weeks
TG 2500 Test Gas 08700
Dwyer

TG-2500 Test Gas

Test gas for SL-2000 models

Buy now!
$50.35 USD
Normally ships in 3-4 weeks
Fast Tube Sect Sampling Tube 08699
Dwyer

Fast Tube Sect. Sampling Tube

Sect. Sampling Tube

Buy now!
$50.35 USD
Normally ships in 3-4 weeks
A AVUL MTG Replacement Duct mount plate assembly 08698
Dwyer

A-AVUL-MTG Replacement Duct mount plate assembly

Replacement duct mount plate assembly

Buy now!
$8.40 USD
Normally ships in 3-4 weeks
A 435 A Remote display tool 08697
Dwyer

A-435-A Remote display tool

Remote display tool for the MS2 Series

Buy now!
$133.32 USD
Normally ships in 3-4 weeks
A 590 12 conduit plug watertight 08532
Dwyer

A-590 1/2" conduit plug, watertight.

1/2" conduit plug, watertight.

Buy now!
$51.75 USD
Normally ships in 3-4 weeks
A 484 Metal 90 degree static tip 08529
Dwyer

A-484 Metal 90 degree static tip

Metal 90 degree static tip

Buy now!
$4.50 USD
Normally ships in 3-4 weeks
A 485 Clear Plastic Cover 08528
Dwyer

A-485 Clear Plastic Cover

Clear plastic cover for Series ADPS

Buy now!
$3.65 USD
Normally ships in 3-4 weeks
A 482 Cable Gland Fitting Adapter 08527
Dwyer

A-482 Cable Gland Fitting Adapter

Cable gland fitting adapter, M20 x 1.5

Buy now!
$3.90 USD
Normally ships in 3-4 weeks
A 483 Conduit Fitting Adapter 08526
Dwyer

A-483 Conduit Fitting Adapter

Conduit fitting adapter, 1/2"

Buy now!
$3.90 USD
Normally ships in 3-4 weeks
CART1 Cart for Nr D16 T24 M30 M 07569
NAVAC

CART1 Cart for NrD16T/24M/30M

CART FOR NRD16T, NRD24M AND NRD30M

Buy now!
$189.00 USD
Normally ships in 1-2 weeks
NOT30 B Oil Mist Filter NRD16 T24 M30 M KF 25 07568
NAVAC

NOT30B - Oil Mist Filter, NRD16T/24M/30M, KF-25

OIL MIST FILTER FOR NRD16T, NRD24M AND NRD30M

Buy now!
$299.00 USD
Normally ships in 1-2 weeks
LT INT HID USB interface 07549
LogTag Recorders

LT-INT-HID USB interface

USB interface cradle

Buy now!
$47.00 USD
Normally ships in 3-4 weeks
Alpha Controls logo with text stating no product image available
Dwyer

A-WLDT-SS 1/2" NPT SS Weldolet for 2-10" pipe sizes

1/2" NPT SS Weldolet for 2-10" pipe sizes

Buy now!
$73.00 USD
Normally ships in 3-4 weeks
RH R08 Replacement sensor 8 cable 08664
Dwyer

RH-R08 Replacement sensor, 8' cable

Replacement sensor, 8' cable

Buy now!
$164.50 USD
Normally ships in 3-4 weeks
18 110 L Cover Assembly 08423
Dwyer

18-110L Cover Assembly

Cover Assembly

Buy now!
$153.00 USD
Normally ships in 3-4 weeks
45 26 SS SS Float 08422
Dwyer

45-26SS SS Float

SS Float

Buy now!
$753.65 USD
Normally ships in 3-4 weeks
121 14 1 Body Gasket 08421
Dwyer

121-14-1 Body Gasket

Body Gasket

Buy now!
$95.40 USD
Normally ships in 3-4 weeks
72 204 T PTFE body gasket 08419
Dwyer

72-204T PTFE body gasket

PTFE body gasket

Buy now!
$115.25 USD
Normally ships in 3-4 weeks
AP1 36 Thermo anemometer air velocity temperature probe 08784
Dwyer

AP1-36 Thermo anemometer air velocity & temperature probe

Thermo anemometer air velocity & temperature probe with coiled cable, 36" insertion length

Buy now!
$351.65 USD
Normally ships in 3-4 weeks
A 632 12 npt adapter 08543
Dwyer

A-632 1/2" npt adapter

1/2" npt adapter

Buy now!
$126.75 USD
Normally ships in 3-4 weeks
PLS EXT GS 048 48 galvanized extension 08444
Dwyer

PLS-EXT-GS-048 48" galvanized extension

48" galvanized extension

Buy now!
$208.50 USD
Normally ships in 3-4 weeks
PLS EXT GS 036 36 galvanized extension 08443
Dwyer

PLS-EXT-GS-036 36" galvanized extension

36" galvanized extension

Buy now!
$164.70 USD
Normally ships in 3-4 weeks
PLS EXT GS 024 24 galvanized extension 08442
Dwyer

PLS-EXT-GS-024 24" galvanized extension

24" galvanized extension

Buy now!
$120.90 USD
Normally ships in 3-4 weeks
PLS EXT GS 018 18 galvanized extension 08441
Dwyer

PLS-EXT-GS-018 18" galvanized extension

18" galvanized extension

Buy now!
$99.00 USD
Normally ships in 3-4 weeks
PLS EXT GS 012 12 galvanized extension 08440
Dwyer

PLS-EXT-GS-012 12" galvanized extension

12" galvanized extension

Buy now!
$77.10 USD
Normally ships in 3-4 weeks
PLS EXT GS 006 6 galvanized extension 08439
Dwyer

PLS-EXT-GS-006 6" galvanized extension

6" galvanized extension

Buy now!
$55.20 USD
Normally ships in 3-4 weeks
PLS EXT SS 048 48 Stainless extension 08438
Dwyer

PLS-EXT-SS-048 48" Stainless extension

48" stainless extension

Buy now!
$237.00 USD
Normally ships in 3-4 weeks
PLS EXT SS 042 42 Stainless extension 08437
Dwyer

PLS-EXT-SS-042 42" Stainless extension

42" stainless extension

Buy now!
$213.60 USD
Normally ships in 3-4 weeks
VA7 Acrylic tripod for single meter 09532
Dwyer

VA7 Acrylic tripod for single meter.

Acrylic tripod for single meter.

Buy now!
$154.15 USD
Normally ships in 3-4 weeks
A 450 Replacement sintered filter for Series HHT 08670
Dwyer

A-450 Replacement sintered filter for Series HHT

Replacement sintered filter for Series HHT

Buy now!
$12.85 USD
Normally ships in 3-4 weeks