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QwikProducts by Mainstream Engineering
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QwikProducts® is one of the brands by Mainstream Engineering that focuses on manufacturing a line of HVAC/R commercial and residential products. Our goal is to identify and create low-cost solutions that better tackle many of today's common HVAC/R maintenance problems. Our products typically begin as a solution studied to address problems seen by today's military or space agencies operating in austere environments. The result is solutions that outperform the competition, are easy to use, and work every time. QwikProducts® are designed and manufactured in the United States.

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1:29

Residential Power Should Be Qwik, Not Complicated!

QwikProducts by Mainstream Engineering

Shared 2 months ago

44 views

0:55

Is your AC Drain Line All Gunked Up?

QwikProducts by Mainstream Engineering

Shared 3 months ago

51 views

1:02

QwikPad® for Condensers & MEC Product Promo 2025

QwikProducts by Mainstream Engineering

Shared 7 months ago

136 views

2:57

How to Use QwikBright® Coil Cleaner and Protectant | Step-by-Step Demo | Before & After Results

QwikProducts by Mainstream Engineering

Shared 7 months ago

274 views

1:11

EPATest.com - HVAC A2L&A3 Certification - Bilingual Guides, Tests, & Customer Support 2025

QwikProducts by Mainstream Engineering

Shared 7 months ago

514 views

2:16

QwikPad for Generators by MEC - Engineered For Storm Durability 2025

QwikProducts by Mainstream Engineering

Shared 8 months ago

322 views

1:03

AHR Expo 2025 & QwikProducts Professional Team

QwikProducts by Mainstream Engineering

Shared 11 months ago

114 views

0:37

QwikPad for Condensers | Florida Install | New Condenser

QwikProducts by Mainstream Engineering

Shared 1 year ago

637 views

1:04

Universal Acid Test | QwikCheck 2-Second Acid Test | QwikProducts

QwikProducts by Mainstream Engineering

Shared 1 year ago

15K views

0:44

Unbreakable QwikPad for Generators: Survives 2-Story Fall

QwikProducts by Mainstream Engineering

Shared 1 year ago

6.3K views

1:14

How to Use Foaming Coil Cleaner and Condensate Pan Tablets | Routine AC Maintenance and Cleaning

QwikProducts by Mainstream Engineering

Shared 1 year ago

9K views

1:20

QwikPad for Condensers - Rooftop Application & Installation

QwikProducts by Mainstream Engineering

Shared 1 year ago

235 views

0:29

QwikPad Rooftop; Kittery, ME

QwikProducts by Mainstream Engineering

Shared 1 year ago

125 views

1:57

How Descaler Works | Color-changing | Extra Strong Formula | QwikDescaler

QwikProducts by Mainstream Engineering

Shared 1 year ago

2K views

0:29

Create An EPATest.com Account

QwikProducts by Mainstream Engineering

Shared 1 year ago

559 views

0:24

How to Download Your EPA Section 608 Certification Card

QwikProducts by Mainstream Engineering

Shared 1 year ago

3.9K views

0:59

STOP! Before you throw out your compressor try this | QwikLug Universal Terminal Kit | QwikProducts

QwikProducts by Mainstream Engineering

Shared 2 years ago

2.5K views

1:01

Universal ECM to PSC conversion | Easy & Affordable HVAC Hack | QwikSwap X1, X3, V3 by QwikProducts

QwikProducts by Mainstream Engineering

Shared 2 years ago

1.8K views

1:01

How to take the EPA Section 608 Universal Exam | ONLINE | At home | EPATest.com

QwikProducts by Mainstream Engineering

Shared 2 years ago

36K views

1:15

Calcium Build Up Inside Water Pipes? | Hard Water Removal | QwikDescaler

QwikProducts by Mainstream Engineering

Shared 2 years ago

63K views

0:40

Improve Indoor Air Quality | Remove Allergens | PuraClean Filter Spray

QwikProducts by Mainstream Engineering

Shared 2 years ago

232 views

2:57

Watch How We Installed 280 Rooftop Condenser Pads | QwikPad for Condensers | QwikProducts | HVAC

QwikProducts by Mainstream Engineering

Shared 2 years ago

2.5K views

7:13

How to Descale Tankless Hot Water Heater | Virtual Trade Show Ep. 4

QwikProducts by Mainstream Engineering

Shared 3 years ago

12K views

2:20

What actually happens after you buy a mold test kit? | FULL Mold Test Kit Process | QwikProducts

QwikProducts by Mainstream Engineering

Shared 3 years ago

1.9K views

0:44

Crash Test | Portable Concrete vs QwikPad® for Generators | We Dropped the Generator Pad!

QwikProducts by Mainstream Engineering

Shared 3 years ago

1.5K views

7:16

History in HVAC | An interview with Bob Scaringe | Founder of QwikProducts & Mainstream Engineering

QwikProducts by Mainstream Engineering

Shared 3 years ago

599 views

0:59

QwikBright® Coil Cleaner and Protectant | QwikProducts DEMO

QwikProducts by Mainstream Engineering

Shared 3 years ago

11K views

0:22

QwikTreat® Condensate Pan Tablets | Preventing AC Drains From Clogging

QwikProducts by Mainstream Engineering

Shared 3 years ago

6.3K views

4:49

Qwik System Flush Demo | Virtual Trade Show Ep. 3

QwikProducts by Mainstream Engineering

Shared 3 years ago

3.6K views

3:04

QwikPad® for Condensers Overview

QwikProducts by Mainstream Engineering

Shared 4 years ago

968 views

2:58

QwikPad for Generators Overview Guide

QwikProducts by Mainstream Engineering

Shared 4 years ago

9.1K views

0:20

QwikPad® for Condensers

QwikProducts by Mainstream Engineering

Shared 4 years ago

2.3K views

0:18

QwikPad® for Generators

QwikProducts by Mainstream Engineering

Shared 4 years ago

1.6K views

0:28

QwikPad® Generator Pad, "Real-World" Installation

QwikProducts by Mainstream Engineering

Shared 4 years ago

12K views

0:56

PuraClean® Makes ANY Mask Better!

QwikProducts by Mainstream Engineering

Shared 5 years ago

28K views

1:44

PuraClean® Makes ANY Mask Better!

QwikProducts by Mainstream Engineering

Shared 5 years ago

1.2K views

2:47

The Easiest ECM to PSC Blower Motor Conversion | QwikProducts Virtual Trade Show - Ep. 2

QwikProducts by Mainstream Engineering

Shared 7 years ago

53K views

1:43

Kenny Reaume, a Machinist.

QwikProducts by Mainstream Engineering

Shared 7 years ago

663 views

4:11

EE, on Developing Products for Real World Needs

QwikProducts by Mainstream Engineering

Shared 7 years ago

6.2K views

0:23

How we make our Qwik System Flush® | HVAC QwikParts

QwikProducts by Mainstream Engineering

Shared 7 years ago

1.5K views

0:59

How we make our QwikDescaler+™ | HVAC QwikParts

QwikProducts by Mainstream Engineering

Shared 8 years ago

1.1K views

1:01

PuraClean® Filter Spray

QwikProducts by Mainstream Engineering

Shared 8 years ago

2.5K views

2:52

QwikLug®

QwikProducts by Mainstream Engineering

Shared 8 years ago

3.5K views

3:32

Qwik System Flush®

QwikProducts by Mainstream Engineering

Shared 8 years ago

6.8K views

2:07

SDS Comparison

QwikProducts by Mainstream Engineering

Shared 8 years ago

907 views

2:27

QwikCheck® 2 Second Acid Test Kit

QwikProducts by Mainstream Engineering

Shared 8 years ago

14K views

2:54

QwikProducts... a word from the President.

QwikProducts by Mainstream Engineering

Shared 8 years ago

1.1K views

5:31

QwikSwap® V3 Demonstration (link to Install Guide in description)

QwikProducts by Mainstream Engineering

Shared 8 years ago

18K views

2:24

QwikSwap® X3- Constant Torque ECM Replacement Board

QwikProducts by Mainstream Engineering

Shared 10 years ago

20K views

0:51

PuraClean® Filter Spray - QT2700

QwikProducts by Mainstream Engineering

Shared 11 years ago

3.1K views

0:53

QwikSmoke® - QT2330 - Universal Smoke Alarm Test Gas

QwikProducts by Mainstream Engineering

Shared 11 years ago

1K views

8:20

QwikSEER+ WattSaver® - QT6000

QwikProducts by Mainstream Engineering

Shared 13 years ago

9.5K views

0:11

Qwik-SF® is Non-Flammable

QwikProducts by Mainstream Engineering

Shared 13 years ago

589 views

2:51

Why Use Qwik System Flush®?

QwikProducts by Mainstream Engineering

Shared 13 years ago

35K views

3:25

QwikShot® Acid Flush™ - QT25000, QT2501

QwikProducts by Mainstream Engineering

Shared 14 years ago

6.4K views

3:46

QwikCheck® Acid Test Kit - QT2000

QwikProducts by Mainstream Engineering

Shared 14 years ago

5K views

0:38

QwikShot® Acid Flush™

QwikProducts by Mainstream Engineering

Shared 17 years ago

32K views

0:40

QwikLug™ Compressor Terminal Repair Kit

QwikProducts by Mainstream Engineering

Shared 17 years ago

38K views

3:14

Qwik System Flush®

QwikProducts by Mainstream Engineering

Shared 17 years ago

40K views

0:23

QwikCheck® 2 Second Acid Test Kit

QwikProducts by Mainstream Engineering

Shared 17 years ago

16K views