Fort Collins, Colorado

EMF Testing in Fort Collins, Colorado

A home you already know, measured properly

FieldWise EMF Consulting tests Fort Collins homes for wireless signals, magnetic and electric fields, dirty electricity and lighting, using professional instruments and Building Biology SBM-2015 guidelines. Most homes start with the Foundational Assessment, $850, which includes a written room by room report and an action plan call.

I live and work here, so this isn't a market I fly into. Fort Collins is where FieldWise started, and it's where most of my assessments happen. When I talk about what's actually in the air and in the walls of a Fort Collins home, I'm not guessing from a database, I'm describing the same city I measure in every week.

Three things make Fort Collins a genuinely different environment to assess than a generic Front Range suburb: the age of the housing stock downtown, the density of both people and wireless infrastructure around Colorado State, and a fiber network almost no other city your size has built for itself.

The wiring is older than the outlets suggest

If your home sits in or near Old Town, the historic district roughly bounded by College, Mountain, Pine, Willow, and Walnut, there's a good chance parts of its original wiring predate modern grounding altogether. Many homes here date to the early 1900s or before, built in the Late Victorian and Romanesque styles that define the neighborhood. Knob and tube wiring, the standard method through the first half of the last century, was never designed with a grounding conductor. Later owners typically patched in newer circuits without fully replacing the old ones, which means a single Old Town home can have two or three generations of wiring behind the same wall.

AC electric fields

Voltage sitting on ungrounded or partially grounded wiring is exactly what an electric field reading picks up, most relevant where you spend hours close to it, almost always the bed. It's one of the more fixable findings once it's actually identified, but it has to be measured to know it's there.

AC magnetic fields

A separate question, and Old Town's age doesn't make it better or worse on its own. Magnetic fields come from current actually flowing and pass through walls without much resistance. A wiring error from any era can put a reading in a room with nothing visibly electronic in it. Grounding does nothing for a magnetic field. The two have to be measured separately.

CSU changes what's in the air around it

Colorado State's main campus sits on roughly 586 acres pressed right against the west edge of downtown. That's a lot of concentrated wireless demand in a small footprint, and it doesn't stay inside the campus boundary. Neighborhoods like Campus West and the blocks around City Park absorb some of that density in mesh routers, cell traffic, and the kind of always-on device load a college population brings with it. If your home sits close to campus, your RF environment is shaped by that neighbor as much as by your own household.

586
acre main campus
~34,000
students, fall 2024

The fiber network cuts both ways

Fort Collins built its own municipal fiber network, Connexion, laying it entirely underground and reaching the large majority of addresses in the city. That's genuinely relevant to an EMF assessment in two opposite directions.

The upside

Fiber itself doesn't carry the same dirty electricity signature that cable modems and older DSL lines can introduce onto a home's wiring.

Worth watching

Gigabit speeds are available almost everywhere in the city, so more homes run multiple mesh WiFi nodes and always-on smart home gear than a comparable city without it.

What's reaching your home before you've turned anything on

Fort Collins Utilities completed a citywide smart meter rollout years ago. In practical terms, that means nearly every home in Fort Collins has a two-way communicating meter on the outside wall, regardless of whether the household ever opted into anything. Layered on top of that is a growing network of cellular transmission sites citywide, a mix of traditional macro towers, rooftop installations, and small-cell antennas mounted on streetlights and utility poles throughout the public right of way.

~100,000
smart meter endpoints citywide
150+
cellular transmission sites

None of this is unusual for a city this size. It's simply the backdrop every Fort Collins home sits in, and it's exactly what an assessment measures room by room rather than assumes.

If your home sits near a power line, substation or transformer, the 24 Hour Infrastructure Assessment logs magnetic fields for a full day and night, because those fields rise and fall with how much power the neighborhood is using.

Unusually good light makes the indoor mismatch easier to miss

Fort Collins averages close to 250 sunny days a year, more than most Front Range cities. That's a genuine advantage for a circadian lighting assessment, because there's a strong, bright daytime signal available outside for most of the year.

The mismatch

Good weather outside doesn't fix bad light inside

Blackout blinds, north-facing offices, and screen-heavy remote work routines can leave a home dim and blue-lit through the exact hours the body expects daylight, then bright and blue-lit again well past sunset. Research shows that spectrum, brightness, and flicker pattern all carry timing information the body reads whether or not anyone is paying attention to it. Measuring the light in each room, alongside the electrical findings, is what separates a guess from an actual reading.

They reach further than most people expect

The small-cell antennas mounted on streetlights and utility poles throughout Fort Collins aren't the only place carriers put this equipment. A meaningful share of small-cell and rooftop installations sit directly on commercial and multifamily buildings, which means a downtown office, a co-working space, or an apartment building can have an active transmitter attached to or built into the same structure someone works or lives in every day. That's a different exposure pattern than a home a block or two from the nearest pole, direct and constant rather than distant and incidental.

Worth noticing

Headaches or brain fog that only show up at your desk?

If headaches, eye strain, or afternoon brain fog show up specifically at your desk and ease once you leave, that's worth treating as a pattern rather than a coincidence. A baseline reading of the workspace itself, not just the building it sits in, is the only way to know whether a small-cell site on or near your building is part of what you're sitting next to all day.

What Do FieldWise Clients Say?

“Great EMF consultation experience. It was really surprising to see the levels measured in different areas of my home and understand where the exposure was coming from. The consultant explained everything clearly and gave simple, practical steps to reduce EMFs. I feel much more informed and highly recommend it.”

Janelle P. Five-star Google review, March 2026.

“Knowledgeable, Friendly, Professional, and Provided a Detailed Report. I was surprised at some of the high readings in my house. I now know where I need to make changes.”

Dale A. Five-star Google review, June 2026.

“Cameron is so easy to work with- a true professional! Thank you!”

Lisa O. Five-star Google review, June 2026.

Read all reviews on Google, or see more on the client testimonials page.

Questions Fort Collins homeowners actually ask

How much does EMF testing cost in Fort Collins?

Most Fort Collins homes start with the Foundational Assessment, $850. It measures all four types of EMF (wireless signals, magnetic fields, electric fields and dirty electricity) plus your lighting, and includes a written room by room report, a prioritized action plan and an action plan call. If your home is near a power line, substation or transformer, the 24 Hour Infrastructure Assessment, $1,450, logs your home for a full day and night. Buying a home? The Pre-Purchase Inspection is $500. Lighting only? The Home Light Reset is $350. Step 1 for every option is a free 15 minute call to confirm the right fit for your address.

Can you assess a Fort Collins home before we purchase it?

Yes. The Pre-Purchase EMF Inspection, $500, fits inside your inspection period. In about 2 hours it measures wireless signals, magnetic and electric fields, dirty electricity, wiring and grounding problems, any solar equipment, and nearby power lines, transformers and cell sites. Your written report arrives in less than 3 days and sorts every finding into easy fixes, bigger fixes (with a rough cost range) and findings that come with the property. We go through it together on a call before your deadline. In an Old Town house, it is also the first look at how the wiring behaves. Book as early in your inspection window as you can.

Does living near CSU affect my home's RF levels?

It can. Campus itself doesn't reach most surrounding homes directly, but the density of routers, devices, and cell traffic in a college population tends to raise the general RF background in the closest neighborhoods, on top of whatever your own household is running.

My house is in Old Town. Does the wiring matter for EMF?

Often, yes. Homes from this era were commonly wired with knob and tube, which has no grounding path, and later additions frequently sit on top of the original wiring rather than replacing it. This is something an AC electric field reading, taken correctly, will show clearly.

Is Fort Collins Connexion fiber better or worse for EMF exposure?

Both, depending on what you mean. Fiber itself avoids some of the dirty electricity signature associated with cable and DSL. But because gigabit speeds are available nearly everywhere in the city, homes tend to run more devices and mesh network hardware than they might otherwise, which can raise RF levels inside the home.

Do I need an assessment if my home is newer construction?

Yes. Newer Fort Collins homes generally avoid the wiring-era issues Old Town properties can carry, but the vast majority of residential construction, of any age, does not use shielded electrical wiring. RF and magnetic field readings show up in new builds just as often as old ones, and newer homes bring their own sources: smart meter proximity, neighboring RF, and dirty electricity from solar inverters and LED drivers. Age changes which issues are most likely, not whether an assessment is worth doing.

Could a small-cell site near my office be affecting me at work?

It's possible. Small-cell antennas are frequently mounted directly on commercial and multifamily buildings, not just streetlights, which means the transmitter could be attached to the same building you work in rather than down the block. If headaches, eye strain, or brain fog tend to show up specifically in your workspace and ease once you leave, a baseline RF reading of that space is the only way to know whether a nearby small-cell site is part of the pattern.

Start with a conversation, not a commitment

I'm based here, I measure here every week, and pricing is always tied to what you get. Every reading is compared against the Building Biology SBM-2015 reference levels written specifically for sleeping areas.

$1,450
24 Hour Infrastructure Assessment
3 to 4 hrs on site · report within 4 days. For homes near power lines, substations, transformers, cell sites or data centers.
$850
Most homes start here
Foundational Assessment
2 to 3 hrs on site · report within 4 days. Includes the full Home Light Reset, a $350 value.
$350
Home Light Reset
90 min on site · report within 4 days.

Buying a home? The Pre-Purchase Inspection is $500.

Every assessment uses the Gigahertz Solutions NFA1000, Safe and Sound Pro 2, UPRTek MK350S Premium, TriField EM100 and Klein CL810.

The Remeasure Guarantee. If you complete a recommended fix and the reading in that area doesn’t measurably drop, Cameron comes back within 90 days and remeasures it at no charge.

Step 1: Free Call (970) 436-7611

Step 1 is a free 15 minute discovery call. We’ll talk through your home and which assessment makes sense, with no pressure either way. Prefer to write? Send a message.

Cameron Castaneda, FieldWise EMF Consulting · cameron@fieldwiseemf.com

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