High Level Alarms

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We've been in business for the past forty years and it has not been a money making business. I've met lots of nice people who became both customers and friends but I am not seeking additional clients


Of course, I will continue to service exisiting customers


If you are here, then you have already seen that I'm now on a different trajectory.



If you need parts or accessories, or if you have questions or need assistance, I'm still here for you. Your Alarm System will still be monitored



So why are alarm systems a really bad business?

The ADT's and the Simply Safe folks became monopolies and the little guys were trampled. Instead of getting out as I should have, I opted to take good care of my faithful customers. I'm now beyond the need to succeed in this business.

Look below and you can see that I had the best that money could buy with superb features.

1. ARM HOME - on a daily basis, all by itself

2. DISARM - all by itself, when it recognizes the person entering

3. Alert You - If you left home without Arming

3. Alert You - If you left home with a garage door open

Welcome to "All in One" Advanced Technology, beyond all others

Best Home & Business Security Systems


Ready to Plug and Play



Monitored 24/7/365 by a Professional UL Approved Central Station.

central station operator

Best Customer Assistance

We make everything easy. We're there to assist from the moment you receive your system and for as long as you own it, so you can place your order with confidence. Get the best and never worry, that's High Level Alarms.

Pre-Programmed

Only the Resideo wireless Six-Series sensors utilize a true 2.4 GHz 128-bit encryption signal to prevent possible jamming of the RF signals.  Order "Advanced Programming" for fast and easy install.

Top of the Line

The ALL in ONE ProSeries can operate as "alarm only", or you can add home automation, cameras and even Alexa to create a multi functional system with incredible features. For more info, use the Easy Contact link above.

It's been an interesting 40 years with ups and downs

Thanks to All for your support

If you're interested in supporting me, my books are available in many variations!


Hugh R Phillis, DMD - Nashua, NH

I have worked with DIY Alarm for over 25 years at both my home and business. Dave L. provides terrific support on any install, troubleshooting or upgrade issues. His product fees are very competitive and the monitoring service at Central Station handles all issues promptly and professionally. I couldn't be more satisfied with this security system and Dave's service.

Al S., Londonderry, NH

I've known Dave Lemay from diyalarm's for a long time. I’m now on my third system from him and I have to say, I've never had better service from any vendor. He not only recommends a system and programming suited for your needs, but talks you through the setup, makes any adjustments necessary and is available to solve any problem with phone response faster than other vendors or services. He talks alarm systems with no bs and you can be sure you won't be enticed with a price for a basic system and then find out later, what you bought doesn't meet your needs. I trust Dave and High Level Alarms and I highly recommend that if you want a good alarm system, this is the one for you.

woman viewing ipad

Greg A. - Attorney at Law, Manchester, NH

I have been a customer of High Level Alarms for over 25 years. I have always found them to be prompt, courteous, and willing to go the extra mile to make sure that I am satisfied with whatever issue caused me to contact them. They have also spontaneously reached out to me on a number of occasions when they noticed something that they thought I should be concerned about or should be aware of.

Ric I., Port St. Lucie, FL

As a longtime customer of High Level Alarms, I am very satisfied with the ease of use of the product from the mobile app to the console. Whatever issues, if any, is handled quickly. I would rate their services 5 out of 5.

Bert L., Weatherford, Texas

When I built my house (2012), I contacted Dave at HIGH LEVEL ALARMS. The alarm system works great and can be controlled on my I-phone from anywhere I am (away for vacation etc.). If and when I ever had a question, Dave has always been available to assist in installation of new equipment and/or checking the system. You couldn't be in better hands.

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